Bl 1, 71vs72v
50eira arhew i yrv yr haf

CM 5, 274s5
50eyry {a} rhew i yrry /r/ haf

Pen 49, 49rs50r
50Eiry rhew i yrru'r hâf

Wy 2, 2s3
50eiry rhew i yrru /r/ haf