b-u bbb bbd bbe bbf bbi bbl bbm bbu bdb bdd bde bdf bdi bdl bdm bdu be- beb bed bee bef bei bel bem beu bfb bfd bfe bff bfi bfl bfm bfu bi- bib bid bie bif bii bil bim biu blb bld ble blf bli bll blm blu bmb bmd bme bmf bmi bml bmm bmu bub bud bue buf bui bul bum buu dbb dbd dbe dbf dbi dbl dbm dbu ddb ddd dde ddf ddi ddl ddm ddu de- deb ded dee def dei del dem deu dfb dfd dfe dff dfi dfl dfm dfu di- dib did die dif dii dil dim diu dl- dlb dld dle dlf dli dll dlm dlu dmb dmd dme dmf dmi dml dmm dmu dub dud due duf dui dul dum ebb ebd ebe ebf ebi ebl ebm ebu ed- edb edd ede edf edi edl edm edu eeb eed eee eef eel eem ef- efb efd efe eff efi efl efm eib eid eie eif eii eil eim eiu elb eld ele elf eli ell elm elu em- emb emd eme emf emi eml emm emu eu- eub eud eue euf eui eul fbb fbd fbe fbf fbi fbl fbm fbu fdb fdd fde fdf fdi fdl fdm fdu feb fed fee fef fei fel fem feu ffd ffe fff ffi ffl ffm ffu fib fid fie fif fii fil fim fiu flb fld fle flf fli fll flm flu fmb fmd fme fmf fmi fml fmm fmu fub fud fue fuf fui ful fum fuu i-d i-f ibb ibd ibe ibf ibi ibl ibm ibu idb idd ide idf idi idl idm idu ie- ied iee ief iei iel iem ifb ifd ife iff ifi ifl ifm ifu iib iid iie iif iii iil iim iiu il- ilb ild ile ilf ili ill ilm ilu im- imb imd ime imf imi iml imm imu iu- iub iud iue iui ium lbb lbd lbe lbf lbi lbl lbm lbu ldb ldd lde ldf ldi ldl ldm ldu leb led lee lef lei lel lem leu lfb lfd lfe lff lfi lfl lfm lfu lib lid lie lif lii lil lim liu llb lld lle llf lli lll llm llu lmb lmd lme lmf lmi lml lmm lmu lub lud lue luf lui lul lum luu m-f mbb mbd mbe mbf mbi mbl mbm mbu mdb mdd mde mdf mdi mdl mdm mdu meb med mee mef mei mel mem meu mfb mfd mfe mff mfi mfl mfm mfu mi- mib mid mie mif mii mil mim miu mlb mld mle mlf mli mll mlm mlu mmb mmd mme mmf mmi mml mmm mmu mub mud mue muf mui mul mum muu ubb ube ubf ubi ubl ubu udb udd ude udf udi udl udm udu ueb ued uee uef uei uel uem ufd ufe uff ufi ufl ufm ufu uib uid uie uif uii uil uim uiu ulb uld ule ulf uli ull ulm ulu um- umb umd ume umf umi uml umm umu uue uum uuu