in English is:

tautomerism

Mutations

Soft:dawtomeredd
Nasal:nhawtomeredd
Aspirate:thawtomeredd

Use

y tawtomeredd hwn
fy nhawtomeredd i
dy dawtomeredd di
ei dawtomeredd ef/o
ei thawtomeredd hi
ein tawtomeredd ni
eich tawtomeredd chi
eu tawtomeredd nhw/hwy
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