eg
adareg eb
adroddreg eb
addfwyndeg a
agronomeg eb
alcemeg eb
almaeneg eb
anatomeg eb
anhyfreg a
anianeg eb
annheg a
anrheg eb
archaeoleg eb
areitheg eb
ateg eb
atodeg eb
atomeg eb
bacterioleg eb
bioleg eb
bloneg eg
botaneg eb
brawddeg eb
breg a,eg
bronneg eb
bugeileg eb
byseg eb
bywydeg eb
cantreg eb
carreg eb
caseg eb
ceg eb
ceindeg a
celteg eb
cemeg eb
cernyweg eb
coleg eg
creg ab
cyfredeg be
cylchredeg be
cymdeithaseg eb
daeareg eb
dangoseg eb
dameg eb
deddfeg eb
deg a
deuddeg a
diatreg a
dieteteg eb
dwyfronneg eb
dwyieitheg eb
ecoleg eb
economeg eb
ehedeg be
electroneg eb
eneideg eb
ffiloreg eb
ffiseg eb
ffrangeg eb
garlleg ell
geneteg eb
glandeg a
gosteg eb
graddeg eb
gramadeg eg
gwaneg eb
gwartheg ell
gwatwareg eb
gweithreg eb
gwniadreg eb
gwybodeg eb
gymnasteg eb
hedeg be
hidrostateg eb
holwyddoreg eb
hyfreg a
ietheg eb
llafareg eb
lliwdeg a
llwyteg a
llysieueg eb
maneg eb
mathemateg eb
meddyleg eb
moeseg eb
padelleg eb
peg eg
peirianneg eb
pymtheg a
rhedeg be
rheg eb
rhesymeg eb
rhethreg eb
rhifyddeg eb
saesneg a,ebg
seicoleg eb
seineg eb
semanteg eb
sw^oleg eb
tacteg eb
techneg eb
technoleg eb
teg a
telyneg eb
trefneg eb
trigonomeg eb
tyrpeg eg
ychwaneg eg