bibo[8], boni[6], niob[6], nipo[5], pion[5], piwo[5], wpoi[5], niwo[4], nowi[4], wino[4], woni[4],
bib[7], bob[7], bin[5], ibn[5], boi[5], obi[5], bon[5], nip[4], pin[4], pni[4], poi[4], piw[4], ino[3], oni[3], niw[3], win[3], iwo[3], owi[3], wio[3], won[3],
bi[4], bo[4], pi[3], op[3], po[3], in[2], ni[2], no[2], on[2], iw[2],
