b-u bbb bbe bbi bbk bbl bbm bbt bbu be- beb bee bei bek bel bem bet beu bi- bib bie bii bik bil bim bit biu bkb bke bkk bkl bkm bkt blb ble bli blk bll blm blt blu bmb bme bmi bmk bml bmm bmt bmu btb bte bti btk btl btm btt btu bub bue bui buk bul bum but buu ebb ebe ebi ebk ebl ebm ebt ebu eeb eee eek eel eem eet eib eie eii eik eil eim eit eiu ekb eke eki ekl ekt eku elb ele eli elk ell elm elt elu em- emb eme emi emk eml emm emt emu etb ete eti etk etl etm ett etu eu- eub eue eui eul eut ibb ibe ibi ibk ibl ibm ibt ibu ie- iee iei iek iel iem iet iib iie iii iil iim iit iiu ikb ike iki ikk ikl ikt iku il- ilb ile ili ilk ill ilm ilt ilu im- imb ime imi iml imm imt imu itb ite iti itk itl itm itt itu iu- iub iue iui ium iut k-t kbb kbe kbi kbk kbl kbm kbu ke- keb kee kei kek kel kem ket kib kie kii kik kil kim kit kiu kkb kke kki kkk kkl kkm kkt kku kl- klb kli klm klt klu kmb kme kmi kmk kml kmm kmt kmu ktb kte ktk ktl ktm ktt ktu kub kue kui kuk kul kum kut kuu lbb lbe lbi lbk lbl lbm lbt lbu leb lee lei lek lel lem let leu lib lie lii lik lil lim lit liu lkb lkl lkt llb lle lli llk lll llm llt llu lmb lme lmi lmk lml lmm lmt lmu ltb lte lti ltk ltl ltm ltt ltu lub lue lui luk lul lum lut luu mbb mbe mbi mbk mbl mbm mbt mbu meb mee mei mek mel mem met meu mi- mib mie mii mik mil mim mit miu mkb mke mkk mkl mkm mkt mku mlb mle mli mlk mll mlm mlt mlu mmb mme mmi mmk mml mmm mmt mmu mtb mte mti mtk mtl mtm mtt mtu mub mue mui muk mul mum mut muu tbb tbe tbi tbk tbl tbm tbt tbu te- teb tee tei tek tel tem tet teu tib tie tii tik til tim tit tiu tkb tke tkk tkl tkm tkt tle tli tlk tll tlm tlt tlu tmb tme tmi tmk tml tmm tmt tmu ttb tte tti ttk ttl ttm ttt ttu tub tue tui tuk tul tum tut tuu ubb ube ubi ubk ubl ubt ubu ueb uee uei uel uem uet uib uie uii uil uim uit uiu ukb uke uki ukk ukl uku ulb ule uli ulk ull ulm ult ulu um- umb ume umi uml umm umt umu utb ute uti utk utl utm utt utu uue uum uut uuu