in English is:

complex

Mutations

Soft:gymhlygyn
Nasal:nghymhlygyn
Aspirate:chymhlygyn

Use

y cymhlygyn hwn
fy nghymhlygyn i
dy gymhlygyn di
ei gymhlygyn ef/o
ei chymhlygyn hi
ein cymhlygyn ni
eich cymhlygyn chi
eu cymhlygyn nhw/hwy
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