os

achos ardd,eg
agos a,adf
annos be
anos a
arddangos be
aros be
banhadlos eb
bechgynnos ell
beunos adf
caregos ell
carthffos eb
ceirios ell
cerigos ell
ceuffos eb
cilcynnos ell
clòs+clos a,ab,eg
cocos ell
cos eg
cyfagos a
cyfaros be
cyfnos eg
cyhydnos eb
dangos be
dechreunos eg
di-os a
diachos a
diaros a
diddos a,eg
diymaros a
dos bf
dreinios ell
dros ardd
dunos eb
dyfrffos eb
dynos ell
echnos adf,eb
eos eb
euros ell
ffos eb
gwerinos eb,ell
gwernos ell
gwylnos eb
hir-ymaros be
hirnos eb
hwyrnos eb
llinos eb
llwydnos eb
marwydos ell
merchetos ell
nos eb
os cys
plantos ell
pos eg
pythefnos ebg
rhedynglos eg
rhos eb
rhuddos ell
teios ell
tlos ab
tros ardd
unnos a
wynos ell
wythnos eb
ymaros be,eg
ymddangos be