bbb bbe bbi bbl bbm be- beb bee bei bel bem bi- bib bie bii bil bim blb ble bli bll blm bmb bme bmi bml bmm ebb ebe ebi ebl ebm eeb eee eel eem eib eie eii eil eim elb ele eli ell elm em- emb eme emi eml emm ibb ibe ibi ibl ibm ie- iee iei iel iem iib iie iii iil iim il- ilb ile ili ill ilm im- imb ime imi iml imm lbb lbe lbi lbl lbm leb lee lei lel lem lib lie lii lil lim llb lle lli lll llm lmb lme lmi lml lmm mbb mbe mbi mbl mbm meb mee mei mel mem mi- mib mie mii mil mim mlb mle mli mll mlm mmb mme mmi mml mmm