ciot[6], cito[6], tico[6], trio[5], troi[5],
jot[6], jor[5], toi[4], itr[4], tir[4], tri[4], ort[4], rot[4], tor[4], roi[3],
oj[4], ci[3], co[3], ot[3], to[3], or[2], ro[2],
