in English is:

undersecretary

Mutations

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

Use

yr is-ysgrifennydd hwn
fy is-ysgrifennydd i
dy is-ysgrifennydd di
ei is-ysgrifennydd ef/o
ei his-ysgrifennydd hi
ein his-ysgrifennydd ni
eich is-ysgrifennydd chi
eu his-ysgrifennydd nhw/hwy
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