in English is:

phonology

Mutations

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

Use

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