in English is:

blockboard

Mutations

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

Use

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