begi[8], bieg[8], bigo[8], bogi[8], pieg[7], obie[6], pipo[6], popi[6], opie[5],
beg[7], big[7], gib[7], gie[5], ego[5], boi[5], obi[5], goi[5], ogi[5], pip[5], pop[5], pie[4], poi[4],
be[4], bi[4], bo[4], go[4], pe[3], pi[3], op[3], po[3], eo[2],
