b-u bbb bbe bbi bbk bbm bbo bbt bbu be- beb bee bei bek bem beo bet beu bi- bib bie bii bik bim bio bit biu bkb bke bkk bkm bko bkt bmb bme bmi bmk bmm bmo bmt bmu bob boe boi bok bom boo bot bou btb bte bti btk btm bto btt btu bub bue bui buk bum buo but buu ebb ebe ebi ebk ebm ebo ebt ebu eeb eee eek eem eeo eet eib eie eii eik eim eio eit eiu ekb eke eki eko ekt eku em- emb eme emi emk emm emo emt emu eo- eob eoe eoi eok eom eoo eot eou etb ete eti etk etm eto ett etu eu- eub eue eui eut ibb ibe ibi ibk ibm ibo ibt ibu ie- iee iei iek iem iet iib iie iii iim iio iit iiu ikb ike iki ikk iko ikt iku im- imb ime imi imm imo imt imu io- iob ioe ioi iom ioo iot iou itb ite iti itk itm ito itt itu iu- iub iue iui ium iut k-t kbb kbe kbi kbk kbm kbo kbu ke- keb kee kei kek kem keo ket kib kie kii kik kim kio kit kiu kkb kke kki kkk kkm kkt kku kmb kme kmi kmk kmm kmo kmt kmu kob koe koi kok kom koo kot kou ktb kte ktk ktm kto ktt ktu kub kue kui kuk kum kut kuu m-o mbb mbe mbi mbk mbm mbo mbt mbu meb mee mei mek mem meo met meu mi- mib mie mii mik mim mio mit miu mkb mke mkk mkm mko mkt mku mmb mme mmi mmk mmm mmo mmt mmu mob moe moi mok mom moo mot mou mtb mte mti mtk mtm mto mtt mtu mub mue mui muk mum mut muu o-i ob- obb obe obi obk obm obo obt obu oeb oee oei oem oeo oet oib oie oii oik oim oio oit oiu okb oke oki okk oko oku om- omb ome omi omm omo omt omu oo- oob ooi ook oom ooo oot ot- otb ote oti otk otm oto ott otu ou- oue oui ouk oum ouo out tbb tbe tbi tbk tbm tbo tbt tbu te- teb tee tei tek tem teo tet teu tib tie tii tik tim tio tit tiu tkb tke tkk tkm tko tkt tmb tme tmi tmk tmm tmo tmt tmu to- tob toe toi tok tom too tot tou ttb tte tti ttk ttm tto ttt ttu tub tue tui tuk tum tuo tut tuu ubb ube ubi ubk ubo ubt ubu ueb uee uei uem uet uib uie uii uim uio uit uiu ukb uke uki ukk uku um- umb ume umi umm umo umt umu uob uoe uok uom uoo uot utb ute uti utk utm uto utt utu uue uum uut uuu