nipo[5], pion[5], opon[5], pono[5], pozo[5], pizz[5], znoi[4], ozoi[4], ozon[4], zono[4],
nip[4], pin[4], pni[4], poi[4], zip[4], ino[3], oni[3], ono[3], zin[3], zon[3], zoo[3],
pi[3], op[3], po[3], in[2], ni[2], no[2], on[2], oz[2],
