in English is:

modification

Mutations

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

Use

yr adnewidiad hwn
fy adnewidiad i
dy adnewidiad di
ei adnewidiad ef/o
ei hadnewidiad hi
ein hadnewidiad ni
eich adnewidiad chi
eu hadnewidiad nhw/hwy
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