Geiriau Saesneg llythyr 5
backs
Geiriau Saesneg llythyr 7
backsaw backset
Geiriau Saesneg llythyr 8
backsaws backseat backsets backside backslap backslid backspin backstab backstay backstop buybacks cutbacks diebacks fatbacks finbacks hogbacks outbacks paybacks runbacks setbacks tiebacks tombacks wetbacks