kumy[9], ummy[9], komu[8], kumo[8], ummo[8], yuko[8], komy[7], omyk[7], myom[7],
kum[7], umm[7], kyu[7], oku[6], myk[6], mym[6], kom[5], omy[5],
ku[5], mu[5], my[4], ko[3], ok[3], om[3],
