boya[7], boye[7], bywa[7], weby[7], weba[6], obaw[6], webo[6],
aby[6], boy[6], oby[6], abo[5], boa[5], oba[5], baw[5], wab[5], web[5], ewy[4], ewa[3], owa[3], ewo[3], owe[3], owo[3],
by[5], ba[4], be[4], bo[4], wy[3], eo[2], ew[2], we[2],
