biby[9], bidy[8], dygi[8], gidy[8], bimy[8], dimy[7], dymi[7],
bib[7], big[7], gib[7], dyb[7], dyg[7], gdy[7], bym[7], bid[6], gid[6], bim[6], mig[6], dym[6], dim[5], idy[5],
by[5], bi[4], my[4], id[3], im[3], mi[3],
