etolo[7], rolet[7], rotel[7], retor[6], retro[6], rotor[6],
trel[6], orle[5], role[5], loro[5], rolo[5], erot[5], tero[5], root[5], roto[5], toro[5], oreo[4],
tle[5], lot[5], ole[4], lor[4], rol[4], eto[4], oto[4], ret[4], ter[4], ort[4], rot[4], tor[4], ero[3], oro[3],
el[3], et[3], te[3], ot[3], to[3], eo[2], er[2], re[2], or[2], ro[2],
