B’ e Y an còigeamh litir air fhichead den aibidil Laidinneach. B' e sinnsear tùsail aig "Y" an litir Seimeach Waw, a rinn na litrichean F, U, V, is W. Faic F. Thainig e a Υψιλον (Upsilon) sa aibidil Greugach

Y
Aibidil Ròmanach
AaBbCcDd
EeFfGgHhIiJj
KkLlMmNnOoPp
QqRrSsTtUuVv
WwXxYyZz