in English is:

Chartism

Mutations

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

Use

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