biga[7], barg[7], grab[7], birg[7],
gab[6], gib[6], aba[5], abi[5], bai[5], bar[5], aga[4], arg[4], gar[4], rag[4], aar[3], ara[3], air[3], rai[3],
ab[4], bi[4], aa[2], ai[2], ar[2],
