boku[9], bruk[9], boru[8], buro[8], brok[7], kobr[7], korb[7], kuro[7], orku[7], roku[7], urok[7],
buk[8], kub[8], obu[7], bru[7], bur[7], bok[6], oku[6], kur[6], bor[5], rob[5], oru[5], kor[4], kro[4], okr[4], ork[4], rok[4],
bu[6], ku[5], bo[4], ko[3], ok[3], or[2], ro[2],
