Answer: yoghs

AnswerCrossword Clue
yoghsthe letter used in the writing of Middle English to represent a palatal fricative, as in ung (Modern English young) or a velar fricative, as in litliche (Modern English lightly)
yoghsthe letter ? used especially in Middle English chiefly to represent voiced and voiceless velar and palatal fricatives
yoghsYOGH, the ME letter