-er -ol bbb bbe bbg bbi bbl bbn bbo bbr bbs be- beb bee beg bei bel ben beo ber bes bgb bge bgg bgi bgl bgn bgo bgr bgs bi- bib bie big bii bil bin bio bir bis blb ble blg bli bll bln blo blr bls bnb bne bng bni bnl bnn bno bnr bns bob boe bog boi bol bon boo bor bos brb bre brg bri brl brn bro brr brs bsb bse bsg bsi bsl bsn bso bsr bss ebb ebe ebg ebi ebl ebn ebo ebr ebs eeb eee eeg eel een eeo eer ees egb ege egg egi egl egn ego egr egs eib eie eig eii eil ein eio eir eis elb ele elg eli ell eln elo elr els en- enb ene eng eni enl enn eno enr ens eo- eob eoe eog eoi eol eon eoo eor eos erb ere erg eri erl ern ero err ers es- esb ese esg esi esl esn eso esr ess gbe gbg gbi gbl gbn gbo gbr gbs ge- geb gee geg gei gel gen geo ger ges ggb ggg ggi ggn ggo ggr ggs gib gie gig gii gil gin gio gir gis glb gle glg gli gll gln glo glr gls gnb gne gni gnl gnn gno gnr gns gob goe gog goi gol gon goo gor gos grb gre grg gri grl grn gro grr grs gsb gse gsg gsi gsl gsn gso gsr gss ibb ibe ibg ibi ibl ibn ibo ibr ibs ie- iee ieg iei iel ien ier ies igb ige igg igi igl ign igo igr igs iib iie iii iil iin iio iir iis il- ilb ile ilg ili ill iln ilo ilr ils in- inb ine ing ini inl inn ino inr ins io- iob ioe iog ioi iol ion ioo ior ios ir- irb ire irg iri irl irn iro irr irs is- isb ise isg isi isl isn iso isr iss lbb lbe lbg lbi lbl lbo lbr lbs leb lee leg lei lel len leo ler les lgb lge lgg lgi lgl lgn lgo lgr lgs lib lie lig lii lil lin lio lir lis llb lle llg lli lll lln llo llr lls lnb lne lng lni lnl lnn lno lnr lns lob loe log loi lol lon loo lor los lrb lrg lri lrn lro lrr lrs lsb lse lsg lsi lsl lsn lso lsr lss n-i nbb nbe nbg nbi nbl nbn nbo nbr nbs ne- neb nee neg nei nel nen neo ner nes ngb nge ngg ngi ngl ngn ngo ngs nib nie nig nii nil nin nio nir nis nlb nle nlg nli nll nln nlo nlr nls nnb nne nng nni nnl nnn nno nns no- nob noe nog noi nol non noo nor nos nrb nre nrg nri nrl nrn nro nrr nrs nsb nse nsg nsi nsl nsn nso nsr nss o-i ob- obb obe obg obi obl obn obo obr obs oeb oee oeg oei oel oen oeo oer oes oge ogg ogi ogl ogn ogo ogs oib oie oii oil oin oio oir ois olb ole olg oli oll oln olo ols on- onb one ong oni onl onn ono onr ons oo- oob oog ooi ool oon ooo oor oos or- orb ore org ori orl orn oro orr ors os- osb ose osg osi osl osn oso osr oss rbb rbe rbg rbi rbl rbn rbo rbr rbs re- reb ree reg rei rel ren reo rer res rgb rge rgg rgi rgn rgo rgr rgs rib rie rig rii ril rin rio rir ris rle rlg rli rll rln rlo rlr rls rnb rng rni rnn rno rnr rns rob roe rog roi rol ron roo ror ros rrb rrg rri rrl rrn rrr rrs rsb rse rsg rsi rsl rsn rso rsr rss sbb sbe sbg sbi sbl sbn sbo sbr sbs se- seb see seg sei sel sen seo ser ses sgb sge sgg sgi sgl sgn sgo sgr sgs sib sie sig sii sil sin sio sir sis slb sle slg sli sll sln slo slr sls snb sne sng sni snl snn sno snr sns sob soe sog soi sol son soo sor sos sr- srb sre srg sri srl srn sro srr srs ss- ssb sse ssg ssi ssl ssn sso ssr sss