city[7], tyci[7], octy[7], cytr[7], ciot[6], cito[6], tico[6], ryci[6], itry[6], tiry[6], orty[6], roty[6], ryto[6], tory[6], trio[5], troi[5],
cyt[6], cyi[5], ryt[5], try[5], toi[4], itr[4], tir[4], tri[4], ort[4], rot[4], tor[4], roi[3],
ty[4], ci[3], co[3], ot[3], to[3], ii[2], or[2], ro[2],