weki[5], wiek[5], kiwi[5], weko[5], woki[5], ewie[4], iwie[4], wiei[4],
kei[4], kie[4], kii[4], eko[4], kio[4], koi[4], wek[4], kwi[4], kwo[4], wok[4], ewe[3], wie[3], wii[3], ewo[3], owe[3], iwo[3], owi[3], wio[3],
ki[3], ko[3], ok[3], ee[2], ii[2], eo[2], ew[2], we[2], iw[2],
