/ɔː/ ea ~ sea /iː/,spread /e/ ee ~ sheet /iː/ ei ~ receive /iː/,beige /eɪ/, height /ai/ eu ~ euphonium /juː/ ie ~ pie /aɪ/, piece /iː/ oa ~ oak /oʊ/ oo ~
1959, p. 70 Greene and Stephens 1959, pp. 74–88 Greene and Stephens 1959, p. 95 Price 1972, p. 293 Smith 1996, xvii Hogan and O'Neill 1967, p. 53 Isherwood