hobo[8], kobo[7], obok[7], boot[7], koto[6], otok[6],
bok[6], bot[6], hot[6], oho[5], kot[5], kto[5], tok[5], oko[4], oto[4],
bo[4], ho[4], oh[4], ko[3], ok[3], ot[3], to[3],
