in English is:

peep

,

sound

Mutations

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

Use

y siw hwn
fy siw i
dy siw di
ei siw ef/o
ei siw hi
ein siw ni
eich siw chi
eu siw nhw/hwy
Phrases (1)
heb na siw na miw
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