in English is:

alluvium

Mutations

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

Use

y llifbridd hwn
fy llifbridd i
dy lifbridd di
ei lifbridd ef/o
ei llifbridd hi
ein llifbridd ni
eich llifbridd chi
eu llifbridd nhw/hwy
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