Needing a middle name for little Merit

I have put a lot of time and effort into trying to finding a name for my daughter-to-be that is beautiful, unique and full of positive character. I think I want to use the name Merit as her first name but I’m having trouble with the middle name.
Merit- deserving of praise, important

I like the middle name “[name_f]Serafina[/name_f]-[name_f]Leora[/name_f]” but “Merit [name_f]Serafina[/name_f]-[name_f]Leora[/name_f] N*****” is a big name for a little girl. Any suggestions?

I chose the combinations of those two middle names because together they would mean “my bright, fiery light”. The meaning is important to me.

[name_f]Cara[/name_f] means beloved or dear one or something similar
[name_f]Callista[/name_f]/[name_f]Kalista[/name_f] means most beautiful one
[name_f]Callisto[/name_f] means the fairest

Out of those I think Merit [name_f]Callista[/name_f] would be the nicest, though honestly to me Merit sounds like what someone from District 1 in the Hunger Games would name their child.

[name_f]Helena[/name_f]/[name_f]Helen[/name_f]/[name_f]Lucia[/name_f]/[name_f]Lucy[/name_f]- light, bright, shiny.

Merit [name_f]Helena[/name_f]
Merit [name_f]Lucia[/name_f]
Merit [name_f]Eliora[/name_f]
Merit [name_f]Leona[/name_f]
Merit [name_f]Eulalia[/name_f]

Merit [name_f]Cherie[/name_f] [name_f]Lux[/name_f]
Merit [name_f]Ceridwen[/name_f]
Merit [name_f]Cherie[/name_f] [name_f]Anwen[/name_f] / [name_f]Gwen[/name_f]

Merit Amandus

deserving; lovable, worthy of love

Merit [name_f]Liora[/name_f] would be gorgeous. [name_f]Phoebe[/name_f] means “bright, pure.” Merit [name_f]Phoebe[/name_f]? Merit [name_f]Lucia[/name_f]? Merit [name_f]Althea[/name_f]?

[name_f]Amanda[/name_f] is the feminine form of Amandus mentioned above. Merit [name_f]Amanda[/name_f]?