Cool topic! I’m sorry for repeats…
[name]Art[/name]/[name]Artie[/name] ([name]Arthur[/name])
[name]Augie[/name] ([name]August[/name], [name]Augustin[/name])
[name]Albie[/name] ([name]Albert[/name])
[name]Ace[/name] ([name]Wallace[/name])
[name]Baz[/name] ([name]Basil[/name] or [name]Sebastian[/name])
[name]Chet[/name] ([name]Chester[/name])
[name]Chaz[/name] ([name]Charles[/name])
[name]Cal[/name] ([name]Calvin[/name])
[name]Chip[/name] ([name]Charles[/name])
[name]Clancy[/name] (for [name]Clarence[/name])
[name]Dex[/name] ([name]Dexter[/name])
[name]Gus[/name] ([name]August[/name])
[name]Ike[/name] ([name]Isaac[/name])
[name]Jem[/name] ([name]James[/name], [name]Jeremy[/name], [name]Jeremiah[/name])
[name]Kit[/name] ([name]Christopher[/name], [name]Christian[/name])
[name]Mick[/name] ([name]Mitchell[/name], which is releated to [name]Michael[/name])
[name]Ned[/name] ([name]Edward[/name], [name]Edwin[/name], [name]Edmund[/name], [name]Nathaniel[/name])
[name]Oz[/name] ([name]Oscar[/name])
[name]Ollie[/name] ([name]Oliver[/name], [name]Solomon[/name], [name]Tolliver[/name])
[name]Sully[/name] ([name]Sullivan[/name])
[name]Solly[/name] ([name]Solomon[/name])
[name]Tad[/name] ([name]Theodore[/name], [name]Thaddeus[/name])
[name]Ted[/name] ([name]Edward[/name], [name]Edmund[/name], [name]Edwin[/name], [name]Theodore[/name], [name]Thaddeus[/name])
[name]Toby[/name] ([name]Tobias[/name])
Uly ([name]Ulysses[/name], [name]Julian[/name], [name]Julius[/name])
[name]Vin[/name] ([name]Vincent[/name])
[name]Van[/name] ([name]Sullivan[/name], [name]Donovan[/name])
[name]Wes[/name] ([name]Wesley[/name])
[name]Walt[/name] ([name]Walter[/name])
[name]Zeb[/name] ([name]Zebedee[/name])
[name]Zeke[/name] ([name]Ezekiel[/name])
Bixie ([name]Beatrix[/name])
[name]Billie[/name] ([name]Willa[/name], [name]Wilhelmina[/name])
Biz/Bizzie (for [name]Elizabeth[/name])
[name]Bee[/name] ([name]Beatrix[/name], [name]Phoebe[/name])
[name]Bridie[/name] ([name]Bridget[/name])
[name]Birdie[/name] (could be a nickname for BD initials)
[name]Cleo[/name] ([name]Clementine[/name])
[name]Cass[/name] ([name]Cassandra[/name], [name]Cassia[/name])
[name]Cordie[/name] ([name]Cordelia[/name])
[name]Daisy[/name] ([name]Margaret[/name])
[name]Dolly[/name] ([name]Dahlia[/name])
[name]Dory[/name] ([name]Isadora[/name], [name]Dorothea[/name], [name]Dorothea[/name], [name]Theodora[/name])
[name]Flossie[/name] ([name]Felicity[/name], [name]Florence[/name])
[name]Florie[/name] ([name]Flora[/name], [name]Florence[/name])
[name]Fritzi[/name] ([name]Frances[/name], [name]Francesca[/name])
[name]Frankie[/name] (Ditto…)
[name]Ginny[/name] ([name]Ginevra[/name], [name]Genevieve[/name], [name]Virginia[/name], [name]Ginger[/name])
[name]Georgie[/name] ([name]Georgia[/name], [name]Georgina[/name], [name]Georgiana[/name], [name]Georgette[/name])
[name]Ibby[/name] (for [name]Isabel[/name]…I know of a few)
[name]Junie[/name] ([name]June[/name], [name]Juniper[/name])
[name]Janie[/name] ([name]Jane[/name])
[name]Kit[/name] ([name]Katherine[/name])
[name]Lulu[/name] ([name]Louisa[/name], [name]Louise[/name], [name]Lucy[/name], [name]Eloise[/name])
[name]Libby[/name] ([name]Elizabeth[/name])
Liddy ([name]Lydia[/name])
[name]Lindy[/name] ([name]Rosalind[/name], [name]Linden[/name])
[name]Mitzi[/name] ([name]Mary[/name]…any [name]Mary[/name] name…)
[name]Mago[/name] ([name]Margaret[/name])
[name]Mamie[/name] ([name]Mary[/name])
[name]Nell[/name] ([name]Eleanor[/name], [name]Eleanora[/name], [name]Helena[/name], [name]Helen[/name])
[name]Posey[/name] ([name]Josephine[/name])
[name]Poppy[/name] ([name]Penelope[/name])
[name]Ray[/name] ([name]Aurelia[/name])
[name]Romy[/name] ([name]Rosemary[/name], [name]Ramona[/name], [name]Romilly[/name])
[name]Tibbie[/name] ([name]Tabitha[/name], [name]Elizabeth[/name])
Vix ([name]Victoria[/name])
[name]Winnie[/name] ([name]Winifred[/name], [name]Gwendolyn[/name], [name]Guinevere[/name])
Good luck with your list!