hold[7], holt[7], loht[7], idol[6], lido[6], dito[5],
hol[6], loh[6], hoi[5], dol[5], hot[5], lot[5], lid[4], ido[4], iod[4], hit[4], tod[4],
ho[4], oh[4], hi[3], do[3], od[3], ti[2],