in English is:

such a

Mutations

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

Use

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