abak[7], baka[7], beka[7], kabe[7], baki[7], kabi[7], beki[7], akia[5], akie[5],
bak[6], bek[6], bai[5], kia[4], kei[4], kie[4], aaa[3],
ba[4], be[4], bi[4], ka[3], ki[3], aa[2],
