b-p bbb bbe bbi bbl bbm bbp be- beb bee bei bel bem bep bi- bib bie bii bil bim bip blb ble bli bll blm blp bmb bme bmi bml bmm bmp bpb bpe bpi bpl bpm bpp ebb ebe ebi ebl ebm ebp eeb eee eel eem eep eib eie eii eil eim eip elb ele eli ell elm elp em- emb eme emi eml emm emp ep- epb epe epi epl epm epp ibb ibe ibi ibl ibm ibp ie- iee iei iel iem iep iib iie iii iil iim iip il- ilb ile ili ill ilm ilp im- imb ime imi iml imm imp ipb ipe ipi ipl ipm ipp l-p lbb lbe lbi lbl lbm lbp leb lee lei lel lem lep lib lie lii lil lim lip llb lle lli lll llm llp lmb lme lmi lml lmm lmp lpb lpe lpi lpl lpm lpp mbb mbe mbi mbl mbm mbp meb mee mei mel mem mep mi- mib mie mii mil mim mip mlb mle mli mll mlm mlp mmb mme mmi mml mmm mmp mpb mpe mpi mpl mpm mpp p-p pbb pbe pbi pbl pbm pbp peb pee pei pel pem pep pib pie pii pil pim pip plb ple pli pll plm plp pmb pme pmi pml pmm pmp ppb ppe ppi ppl ppm ppp