/w/：what ,why,when,where,whether,white,whatever；
/h/：who；whoever；whole；whose；wholesaler；th讀[θ],如theatre,thief,thousand,Thursday,thank,think,throw,thick,thin,thankful,three,third,thirteen,thirty,thing,through,throughout指示代詞this,that,these,those；人稱代詞they,that,these,those；人稱代詞they,them,themselves,their,theirs；副詞then,there；連詞than,though和定冠詞the中的th讀[ð],連詞through,throughout例外.