kokon[7],
koku[8], kuny[8], yuko[8], kuno[7], noku[7], oknu[7], koko[6], okno[5],
kuk[7], kyu[7], kun[6], oku[6], kok[5], nok[4], oko[4], ono[3],
ku[5], nu[4], ko[3], ok[3], ny[3], no[2], on[2],
