begu[10], bogu[10], byku[10], kuby[10], beku[9], ubek[9], kegu[9], boku[9], kogu[9], boyu[9], yuko[8], geek[7], beko[7], kego[7], boye[7], okey[6],
bug[9], gub[9], buk[8], kub[8], beg[7], obu[7], byk[7], kyu[7], bek[6], keg[6], bok[6], kog[6], oku[6], boy[6], oby[6], bee[5], ego[5], eko[4],
bu[6], gu[6], ku[5], by[5], be[4], bo[4], go[4], ko[3], ok[3], ee[2], eo[2],
