b-u bbb bbd bbe bbi bbl bbm bbu bdb bdd bde bdi bdl bdm bdu be- beb bed bee bei bel bem beu bi- bib bid bie bii bil bim biu blb bld ble bli bll blm blu bmb bmd bme bmi bml bmm bmu bub bud bue bui bul bum buu dbb dbd dbe dbi dbl dbm dbu ddb ddd dde ddi ddl ddm ddu de- deb ded dee dei del dem deu di- dib did die dii dil dim diu dl- dlb dld dle dli dll dlm dlu dmb dmd dme dmi dml dmm dmu dub dud due dui dul dum ebb ebd ebe ebi ebl ebm ebu ed- edb edd ede edi edl edm edu eeb eed eee eel eem eib eid eie eii eil eim eiu elb eld ele eli ell elm elu em- emb emd eme emi eml emm emu eu- eub eud eue eui eul i-d ibb ibd ibe ibi ibl ibm ibu idb idd ide idi idl idm idu ie- ied iee iei iel iem iib iid iie iii iil iim iiu il- ilb ild ile ili ill ilm ilu im- imb imd ime imi iml imm imu iu- iub iud iue iui ium lbb lbd lbe lbi lbl lbm lbu ldb ldd lde ldi ldl ldm ldu leb led lee lei lel lem leu lib lid lie lii lil lim liu llb lld lle lli lll llm llu lmb lmd lme lmi lml lmm lmu lub lud lue lui lul lum luu mbb mbd mbe mbi mbl mbm mbu mdb mdd mde mdi mdl mdm mdu meb med mee mei mel mem meu mi- mib mid mie mii mil mim miu mlb mld mle mli mll mlm mlu mmb mmd mme mmi mml mmm mmu mub mud mue mui mul mum muu ubb ube ubi ubl ubu udb udd ude udi udl udm udu ueb ued uee uei uel uem uib uid uie uii uil uim uiu ulb uld ule uli ull ulm ulu um- umb umd ume umi uml umm umu uue uum uuu