bimy[8], mbir[7], bryi[7], rybi[7], prym[7], prim[6], miry[6],
bym[7], bim[6], bry[6], ryb[6], rym[5], pyr[5], ryp[5], mir[4],
by[5], bi[4], my[4], im[3], mi[3], pi[3],
