bigo[8], bogi[8], biot[7], bito[7], togi[7], pigw[7], bitw[7], pito[6], topi[6], wtop[6], piwo[5], wpoi[5], twoi[5], wito[5],
big[7], gib[7], bit[6], git[6], bot[6], tog[6], boi[5], obi[5], goi[5], ogi[5], pit[5], pot[5], top[5], wig[5], poi[4], toi[4], piw[4], iwo[3], owi[3], wio[3],
bi[4], bo[4], go[4], pi[3], op[3], po[3], ot[3], to[3], iw[2],
