b b p p mm f f d d t t n n l l g g k k h h j j q q x x zhzh chch shsh r r z z c c s s y y w w a a o o e e i i u u ai ai ei ei ui ui aoao ouou iu iu ie ie e e erer anan enen in in unun n n angang engeng inging ongong zhizhi chichi shishi ri ri zi zi ci ci si si yi yi wuwu yuyu yeye yueyue yuanyuan yinyin yunyun yingying
