hall[8], hala[7], halo[7], hola[7], alla[6], lala[6], lola[6],
hal[6], hol[6], aha[5], lal[5], hao[5], lol[5], ala[4], alo[4],
ha[4], ho[4], oh[4], al[3], la[3], aa[2],
