hipie[8], pipie[7], popie[7],
hopi[7], pipo[6], popi[6], opie[5],
hep[6], hip[6], phi[6], hop[6], hoi[5], pip[5], pop[5], pie[4], poi[4],
eh[4], he[4], hi[4], ho[4], oh[4], pe[3], pi[3], op[3], po[3], ii[2], eo[2],
