boli[8], lobt[8], brot[7], lori[6], birr[6], roit[5], tiro[5], trio[5], torr[5], irrt[4],
bol[7], lob[7], bio[6], obi[6], bor[6], bot[6], tob[6], brr[5], bit[5], lot[5], roi[4], ort[4], rot[4], tor[4], irr[3],
ob[5], bi[4], ti[2],
