bob[7], bok[6], bom[6], mob[6], kom[5], bon[5], kop[5], mop[5], bor[5], rob[5], nok[4], mon[4], nom[4], kor[4], kro[4], okr[4], ork[4], rok[4], mor[4], por[4], pro[4], rop[4], nor[3],
bo[4], ko[3], ok[3], om[3], op[3], po[3], no[2], on[2], or[2], ro[2],