-er -ol b-u bbb bbe bbf bbi bbk bbl bbm bbo bbr bbs bbu be- beb bee bef bei bek bel bem beo ber bes beu bfb bfe bff bfi bfl bfm bfo bfr bfs bfu bi- bib bie bif bii bik bil bim bio bir bis biu bkb bke bkf bkk bkl bkm bko bkr bks blb ble blf bli blk bll blm blo blr bls blu bmb bme bmf bmi bmk bml bmm bmo bmr bms bmu bob boe bof boi bok bol bom boo bor bos bou brb bre brf bri brk brl brm bro brr brs bru bsb bse bsf bsi bsk bsl bsm bso bsr bss bsu bub bue buf bui buk bul bum buo bur bus buu ebb ebe ebf ebi ebk ebl ebm ebo ebr ebs ebu eeb eee eef eek eel eem eeo eer ees ef- efb efe eff efi efl efm efo efr efs eib eie eif eii eik eil eim eio eir eis eiu ekb eke ekf eki ekl eko ekr eks eku elb ele elf eli elk ell elm elo elr els elu em- emb eme emf emi emk eml emm emo emr ems emu eo- eob eoe eof eoi eok eol eom eoo eor eos eou erb ere erf eri erk erl erm ero err ers eru es- esb ese esf esi esk esl esm eso esr ess esu eu- eub eue euf eui eul eur eus fbb fbe fbf fbi fbk fbl fbm fbo fbr fbs fbu feb fee fef fei fek fel fem feo fer fes feu ffe fff ffi ffk ffl ffm ffo ffr ffs ffu fib fie fif fii fik fil fim fir fis fiu fkb fkf fki fkk fkl fkm flb fle flf fli fll flm flo flr fls flu fmb fme fmf fmi fml fmm fmo fmr fms fmu fob foe fof foi fok fol fom foo for fos fou frb fre frf fri frk frl frm fro frr frs fru fsb fse fsf fsi fsk fsl fsm fso fsr fss fsu fub fue fuf fui fuk ful fum fuo fur fus fuu i-f ibb ibe ibf ibi ibk ibl ibm ibo ibr ibs ibu ie- iee ief iei iek iel iem ier ies ifb ife iff ifi ifl ifm ifo ifr ifs ifu iib iie iif iii iil iim iio iir iis iiu ikb ike ikf iki ikk ikl iko ikr iks iku il- ilb ile ilf ili ilk ill ilm ilo ilr ils ilu im- imb ime imf imi iml imm imo ims imu io- iob ioe iof ioi iol iom ioo ior ios iou ir- irb ire irf iri irk irl irm iro irr irs iru is- isb ise isf isi isk isl ism iso isr iss isu iu- iub iue iui ium iur ius kbb kbe kbf kbi kbk kbl kbm kbo kbr kbs kbu ke- keb kee kef kei kek kel kem keo ker kes kff kfi kfm kfo kfs kfu kib kie kif kii kik kil kim kio kir kis kiu kkb kke kki kkk kkl kkm kkr kks kku kl- klb klf kli klm klo klr kls klu kmb kme kmf kmi kmk kml kmm kmo kms kmu kob koe kof koi kok kol kom koo kor kos kou krf kri krk krl kro krr krs kru ksb kse ksf ksi ksk ksl ksm kso ksr kss ksu kub kue kui kuk kul kum kur kus kuu lbb lbe lbf lbi lbk lbl lbm lbo lbr lbs lbu leb lee lef lei lek lel lem leo ler les leu lfb lfe lff lfi lfk lfl lfm lfo lfr lfs lfu lib lie lif lii lik lil lim lio lir lis liu lkb lkl lkr lks llb lle llf lli llk lll llm llo llr lls llu lmb lme lmf lmi lmk lml lmm lmo lmr lms lmu lob loe lof loi lok lol lom loo lor los lou lrb lrf lri lrk lrm lro lrr lrs lru lsb lse lsf lsi lsk lsl lsm lso lsr lss lsu lub lue luf lui luk lul lum luo lur lus luu m-f m-o m-r mbb mbe mbf mbi mbk mbl mbm mbo mbr mbs mbu meb mee mef mei mek mel mem meo mer mes meu mfb mfe mff mfi mfl mfm mfo mfr mfs mfu mi- mib mie mif mii mik mil mim mio mir mis miu mkb mke mkk mkl mkm mko mkr mks mku mlb mle mlf mli mlk mll mlm mlo mlr mls mlu mmb mme mmf mmi mmk mml mmm mmo mmr mms mmu mob moe mof moi mok mol mom moo mor mos mou mrb mre mrf mri mrk mrl mrm mro mrr mrs mru msb mse msf msi msk msl msm mso msr mss msu mub mue muf mui muk mul mum mur mus muu o-i ob- obb obe obf obi obk obl obm obo obr obs obu oeb oee oef oei oel oem oeo oer oes of- ofb ofe off ofi ofl ofm ofo ofr ofs ofu oib oie oif oii oik oil oim oio oir ois oiu okb oke oki okk okl oko okr oks oku olb ole olf oli olk oll olm olo ols olu om- omb ome omf omi oml omm omo omr oms omu oo- oob oof ooi ook ool oom ooo oor oos or- orb ore orf ori ork orl orm oro orr ors oru os- osb ose osf osi osk osl osm oso osr oss osu ou- oue ouf oui ouk oul oum ouo our ous rbb rbe rbf rbi rbk rbl rbm rbo rbr rbs rbu re- reb ree ref rei rek rel rem reo rer res reu rfb rfe rff rfi rfk rfl rfm rfo rfr rfs rfu rib rie rif rii rik ril rim rio rir ris rkb rke rkf rkk rkm rko rks rku rle rlf rli rll rlm rlo rlr rls rlu rmb rme rmf rmi rml rmm rmo rmr rms rob roe rof roi rok rol rom