Words in this category may therefore have ended up with a variety of pronunciations in modern standard English: (where the short A pronunciation survived), (where the pronunciation with lengthened A was adopted), (where the normal development of the AU diphthong was followed), and (where the A was lengthened before the Great Vowel Shift). The table below shows the pronunciation of many of these words, classified according to the lexical sets of John Wells: for , for RP vs. General American , for , for , for . Although these words were often spelled with both and in Middle English, the current English spelling generally reflects the pronunciation, with used only for those words which have ; one common exception is "aunt".