| They are represented by two letters, one indicating the start of the diphthongal movement, the other indicating its end or general direction. |
| Unlike surrounding areas of Lancashire and the north in general, Mancunians have diphthongal pronunciations of the GOAT and FACE lexical sets. |
| The diphthongal forms, first recorded, according to him, in the Ancrene Riwle, were rare in other 13th century texts. |
| These three models all crucially contribute to my explanation of variation and changes currently observed in the diphthongal system of Seoul Korean. |
