in English is:

appearance

,

format

Mutations

Soft:ddiwyg
Nasal:niwyg
Aspirate:(no mutation)

Use

y diwyg hwn
fy niwyg i
dy ddiwyg di
ei ddiwyg ef/o
ei diwyg hi
ein diwyg ni
eich diwyg chi
eu diwyg nhw/hwy
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