piony[7], opony[7], pinio[6], piono[6],
nipy[6], piny[6], pony[6], nipo[5], pion[5], opon[5], pono[5], yoni[5], inio[4],
opy[5], nip[4], pin[4], pni[4], poi[4], yin[4], ino[3], oni[3], ono[3],
pi[3], op[3], po[3], ny[3], ii[2], in[2], ni[2], no[2], on[2],
