-er b-u bbb bbe bbg bbi bbk bbl bbm bbn bbr bbu be- beb bee beg bei bek bel bem ben ber beu bgb bge bgg bgi bgk bgl bgm bgn bgr bgu bi- bib bie big bii bik bil bim bin bir biu bkb bke bkg bkk bkl bkm bkn bkr blb ble blg bli blk bll blm bln blr blu bmb bme bmg bmi bmk bml bmm bmn bmr bmu bnb bne bng bni bnk bnl bnn bnr bnu brb bre brg bri brk brl brm brn brr bru bub bue bug bui buk bul bum bun bur buu ebb ebe ebg ebi ebk ebl ebm ebn ebr ebu eeb eee eeg eek eel eem een eer egb ege egg egi egl egm egn egr egu eib eie eig eii eik eil eim ein eir eiu ekb eke ekg eki ekl ekr eku elb ele elg eli elk ell elm eln elr elu em- emb eme emg emi emk eml emm emn emr emu en- enb ene eng eni enk enl enm enn enr enu erb ere erg eri erk erl erm ern err eru eu- eub eue eug eui eul eun eur gbe gbg gbi gbk gbl gbm gbn gbr gbu ge- geb gee geg gei gek gel gem gen ger geu ggb ggg ggi ggm ggn ggr ggu gib gie gig gii gik gil gim gin gir giu gkb gkm gkn glb gle glg gli glk gll glm gln glr glu gmb gme gmg gmi gml gmm gmn gmr gnb gne gni gnl gnm gnn gnr gnu grb gre grg gri grk grl grm grn grr gru gu- gub gue gug gui guk gul gum gun gur guu ibb ibe ibg ibi ibk ibl ibm ibn ibr ibu ie- iee ieg iei iek iel iem ien ier igb ige igg igi igk igl igm ign igr igu iib iie iii iil iim iin iir iiu ikb ike iki ikk ikl ikr iku il- ilb ile ilg ili ilk ill ilm iln ilr ilu im- imb ime img imi iml imm imn imu in- inb ine ing ini ink inl inm inn inr inu ir- irb ire irg iri irk irl irm irn irr iru iu- iub iue iug iui ium iur kbb kbe kbi kbk kbl kbm kbn kbr kbu ke- keb kee keg kei kek kel kem ken ker kgb kgi kgl kgm kgu kib kie kig kii kik kil kim kin kir kiu kkb kke kki kkk kkl kkm kkn kkr kku kl- klb klg kli klm klr klu kmb kme kmg kmi kmk kml kmm kmu kn- kne kng kni knk knl knm knn knr knu krg kri krk krl krn krr kru kub kue kug kui kuk kul kum kun kur kuu lbb lbe lbg lbi lbk lbl lbm lbr lbu leb lee leg lei lek lel lem len ler leu lgb lge lgg lgi lgk lgl lgm lgn lgr lgu lib lie lig lii lik lil lim lin lir liu lkb lkg lkl lkr llb lle llg lli llk lll llm lln llr llu lmb lme lmg lmi lmk lml lmm lmn lmr lmu lnb lne lng lni lnk lnl lnm lnn lnr lnu lrb lrg lri lrk lrm lrn lrr lru lub lue lug lui luk lul lum lun lur luu m-r mbb mbe mbg mbi mbk mbl mbm mbr mbu meb mee meg mei mek mel mem men mer meu mgb mge mgi mgk mgl mgm mgn mgr mgu mi- mib mie mig mii mik mil mim min mir miu mkb mke mkg mkk mkl mkm mkn mkr mku mlb mle mlg mli mlk mll mlm mln mlr mlu mmb mme mmg mmi mmk mml mmm mmn mmr mmu mnb mne mng mni mnk mnl mnm mnn mnr mnu mrb mre mrg mri mrk mrl mrm mrn mrr mru mub mue mug mui muk mul mum mun mur muu n-i nbb nbe nbg nbi nbk nbl nbm nbn nbr nbu ne- neb nee neg nei nek nel nem nen ner neu ngb nge ngg ngi ngk ngl ngm ngn ngu nib nie nig nii nik nil nim nin nir niu nke nki nkk nkm nkn nkr nku nlb nle nlg nli nlk nll nlm nln nlr nlu nmb nme nmg nmi nmk nml nmm nmn nmr nmu nnb nne nng nni nnk nnl nnm nnn nnu nrb nre nrg nri nrk nrl nrm nrn nrr nru nub nue nug nui nuk nul num nun nur nuu rbb rbe rbg rbi rbk rbl rbm rbn rbr rbu re- reb ree reg rei rek rel rem ren rer reu rgb rge rgg rgi rgk rgn rgr rib rie rig rii rik ril rim rin rir rkb rke rkg rkk rkm rku rle rlg rli rll rlm rln rlr rlu rmb rme rmg rmi rml rmm rmn rmr rnb rng rni rnm rnn rnr rnu rrb rrg rri rrk rrl rrm rrn rrr rru rub rue rug rui ruk rum run rur ruu ubb ube ubg ubi ubk ubl ubn ubr ubu ueb uee ueg uei uel uem uen uer ugb uge ugg ugi ugk ugl ugm ugn ugr ugu uib uie uig uii uil uim uin uir uiu ukb uke uki ukk ukl ukn ukr uku ulb ule ulg uli ulk ull ulm uln ulr ulu um- umb ume umg umi uml umm umn umr umu un- unb une ung uni unk unl unm unn unr unu ur- urb ure urg uri urk url urm urn urr uru uue uug uum uun uur uuu