byku[10], kuby[10], baku[9], buka[9], ubka[9], beku[9], ubek[9], buki[9], ubki[9], byka[8], byki[8], beka[7], kabe[7], baki[7], kabi[7], beki[7], akie[5],
buk[8], kub[8], byk[7], kyu[7], bak[6], bek[6], aby[6], bee[5], bai[5], kia[4], kei[4], kie[4],
bu[6], ku[5], by[5], ba[4], be[4], bi[4], au[4], ka[3], ki[3], ee[2],
