bed/head/leg/fetch/desk/get /best/nest/beg/web/let/shed/wet/
set get check bed egg dead wet pen tell best next spend friend 等等 很多谢谢，那发/e：/的呢？在开音节中发/i:/在闭音节中发/e/在非重读音节中发/i/或 /ə/不好意思，e从不发/e：/，有时不发音