bbb bbd bbe bbi bbk bbm bdb bdd bde bdi bdk bdm be- beb bed bee bei bek bem bi- bib bid bie bii bik bim bkb bke bkk bkm bmb bmd bme bmi bmk bmm dbb dbd dbe dbi dbk dbm ddb ddd dde ddi ddk ddm de- deb ded dee dei dek dem di- dib did die dii dik dim dkb dke dki dkk dkm dmb dmd dme dmi dmk dmm ebb ebd ebe ebi ebk ebm ed- edb edd ede edi edk edm eeb eed eee eek eem eib eid eie eii eik eim ekb ekd eke eki em- emb emd eme emi emk emm i-d ibb ibd ibe ibi ibk ibm idb idd ide idi idk idm ie- ied iee iei iek iem iib iid iie iii iim ikb ike iki ikk im- imb imd ime imi imm kbb kbd kbe kbi kbk kbm kdb kde kdk kdm ke- keb ked kee kei kek kem kib kid kie kii kik kim kkb kke kki kkk kkm kmb kmd kme kmi kmk kmm mbb mbd mbe mbi mbk mbm mdb mdd mde mdi mdk mdm meb med mee mei mek mem mi- mib mid mie mii mik mim mkb mkd mke mkk mkm mmb mmd mme mmi mmk mmm