Curving tone

The curving tone, hoesoaan-ym (迴旋音 curving-up tone (5: aa, ii, uu, ee, oo, øo, mm, ngg, etc.)):

Examples

kviaa
to walk
kii
flag
siuu
to swim
ee
(个) a generic measure word, also (; the possessive), and variant of øee (shoes)
oo
lake
bøo
(negative, as in thviabøo)