-er bbb bbe bbg bbi bbk bbl bbm bbn bbr be- beb bee beg bei bek bel bem ben ber bgb bge bgg bgi bgk bgl bgm bgn bgr bi- bib bie big bii bik bil bim bin bir bkb bke bkg bkk bkl bkm bkn bkr blb ble blg bli blk bll blm bln blr bmb bme bmg bmi bmk bml bmm bmn bmr bnb bne bng bni bnk bnl bnn bnr brb bre brg bri brk brl brm brn brr ebb ebe ebg ebi ebk ebl ebm ebn ebr eeb eee eeg eek eel eem een eer egb ege egg egi egl egm egn egr eib eie eig eii eik eil eim ein eir ekb eke ekg eki ekl ekr elb ele elg eli elk ell elm eln elr em- emb eme emg emi emk eml emm emn emr en- enb ene eng eni enk enl enm enn enr erb ere erg eri erk erl erm ern err gbe gbg gbi gbk gbl gbm gbn gbr ge- geb gee geg gei gek gel gem gen ger ggb ggg ggi ggm ggn ggr gib gie gig gii gik gil gim gin gir gkb gkm gkn glb gle glg gli glk gll glm gln glr gmb gme gmg gmi gml gmm gmn gmr gnb gne gni gnl gnm gnn gnr grb gre grg gri grk grl grm grn grr ibb ibe ibg ibi ibk ibl ibm ibn ibr ie- iee ieg iei iek iel iem ien ier igb ige igg igi igk igl igm ign igr iib iie iii iil iim iin iir ikb ike iki ikk ikl ikr il- ilb ile ilg ili ilk ill ilm iln ilr im- imb ime img imi iml imm imn in- inb ine ing ini ink inl inm inn inr ir- irb ire irg iri irk irl irm irn irr kbb kbe kbi kbk kbl kbm kbn kbr ke- keb kee keg kei kek kel kem ken ker kgb kgi kgl kgm kib kie kig kii kik kil kim kin kir kkb kke kki kkk kkl kkm kkn kkr kl- klb klg kli klm klr kmb kme kmg kmi kmk kml kmm kn- kne kng kni knk knl knm knn knr krg kri krk krl krn krr lbb lbe lbg lbi lbk lbl lbm lbr leb lee leg lei lek lel lem len ler lgb lge lgg lgi lgk lgl lgm lgn lgr lib lie lig lii lik lil lim lin lir lkb lkg lkl lkr llb lle llg lli llk lll llm lln llr lmb lme lmg lmi lmk lml lmm lmn lmr lnb lne lng lni lnk lnl lnm lnn lnr lrb lrg lri lrk lrm lrn lrr m-r mbb mbe mbg mbi mbk mbl mbm mbr meb mee meg mei mek mel mem men mer mgb mge mgi mgk mgl mgm mgn mgr mi- mib mie mig mii mik mil mim min mir mkb mke mkg mkk mkl mkm mkn mkr mlb mle mlg mli mlk mll mlm mln mlr mmb mme mmg mmi mmk mml mmm mmn mmr mnb mne mng mni mnk mnl mnm mnn mnr mrb mre mrg mri mrk mrl mrm mrn mrr n-i nbb nbe nbg nbi nbk nbl nbm nbn nbr ne- neb nee neg nei nek nel nem nen ner ngb nge ngg ngi ngk ngl ngm ngn nib nie nig nii nik nil nim nin nir nke nki nkk nkm nkn nkr nlb nle nlg nli nlk nll nlm nln nlr nmb nme nmg nmi nmk nml nmm nmn nmr nnb nne nng nni nnk nnl nnm nnn nrb nre nrg nri nrk nrl nrm nrn nrr rbb rbe rbg rbi rbk rbl rbm rbn rbr re- reb ree reg rei rek rel rem ren rer rgb rge rgg rgi rgk rgn rgr rib rie rig rii rik ril rim rin rir rkb rke rkg rkk rkm rle rlg rli rll rlm rln rlr rmb rme rmg rmi rml rmm rmn rmr rnb rng rni rnm rnn rnr rrb rrg rri rrk rrl rrm rrn rrr