stoc-ddaliad
stoc-ddaliadau
stociau
stocio
Stockholm
stocrestr
stocrestrau
stof
stofi
stôl
stomp
stompio
stompiwr
stôn
stonau
stond
stondin
stondinau
stop
stopiau
stopio
storc
stordai
stordy
storfa
storfeydd
stori
storïau
stori ber
stori celwydd golau
stori faswedd
stori fer
storio
storle
storm
stormus
stormydd
storom
St Petersburg
Strabo
straegar
straen
straeniau
straeon
strancio
Stranraer
strapio
Strasbourg
strategaeth
strategaethau
Cymraeg