Cynthie
TiaCyna / Cina (SEE - na)
Thia /
TheaNiaCia / Cya (SEE - a)
Yntha (EEN - tha)
Cinnie / Cynnie (SIN - nie)
Yna (EE - na)
Ia (EE - a) or (I - a)
Yia (YEE - a)
Yaya
Nitha (NEE - tha)
Cyntha (SIN - tha)
Nytha (
NYE - tha)
Nithie (nith - EE)
I know some of these are pretty out there, but I think anything that mixes up the letters would work.