brok[7], kobr[7], korb[7], bron[6], kron[5],
bok[6], bon[5], bor[5], rob[5], brr[5], nok[4], kor[4], kro[4], okr[4], ork[4], rok[4], nor[3],
bo[4], ko[3], ok[3], no[2], on[2], or[2], ro[2],
