-er -ol bbb bbd bbe bbg bbi bbl bbn bbo bbr bbs bdb bdd bde bdg bdi bdl bdo bdr bds be- beb bed bee beg bei bel ben beo ber bes bgb bgd bge bgg bgi bgl bgn bgo bgr bgs bi- bib bid bie big bii bil bin bio bir bis blb bld ble blg bli bll bln blo blr bls bnb bnd bne bng bni bnl bnn bno bnr bns bob bod boe bog boi bol bon boo bor bos brb brd bre brg bri brl brn bro brr brs bsb bsd bse bsg bsi bsl bsn bso bsr bss dbb dbd dbe dbg dbi dbl dbn dbo dbr dbs ddb ddd dde ddg ddi ddl ddn ddo ddr dds de- deb ded dee deg dei del den deo der des dgd dge dgg dgi dgl dgn dgr dgs di- dib did die dig dii dil din dio dir dis dl- dlb dld dle dlg dli dll dlo dlr dls dnb dnd dne dng dni dnl dnn dno dnr dns dob dod doe dog doi dol don doo dor dos drb drd dre drg dri drl drn dro drr drs dsb dsd dse dsg dsi dsl dsn dso dsr dss ebb ebd ebe ebg ebi ebl ebn ebo ebr ebs ed- edb edd ede edg edi edl edn edo edr eds eeb eed eee eeg eel een eeo eer ees egb egd ege egg egi egl egn ego egr egs eib eid eie eig eii eil ein eio eir eis elb eld ele elg eli ell eln elo elr els en- enb end ene eng eni enl enn eno enr ens eo- eob eod eoe eog eoi eol eon eoo eor eos erb erd ere erg eri erl ern ero err ers es- esb esd ese esg esi esl esn eso esr ess g-d gbd gbe gbg gbi gbl gbn gbo gbr gbs gdb gdd gde gdi gdl gdn gdo gdr gds ge- geb ged gee geg gei gel gen geo ger ges ggb ggd ggg ggi ggn ggo ggr ggs gib gid gie gig gii gil gin gio gir gis glb gld gle glg gli gll gln glo glr gls gnb gnd gne gni gnl gnn gno gnr gns gob god goe gog goi gol gon goo gor gos grb grd gre grg gri grl grn gro grr grs gsb gsd gse gsg gsi gsl gsn gso gsr gss i-d ibb ibd ibe ibg ibi ibl ibn ibo ibr ibs idb idd ide idg idi idl idn ido idr ids ie- ied iee ieg iei iel ien ier ies igb igd ige igg igi igl ign igo igr igs iib iid iie iii iil iin iio iir iis il- ilb ild ile ilg ili ill iln ilo ilr ils in- inb ind ine ing ini inl inn ino inr ins io- iob iod ioe iog ioi iol ion ioo ior ios ir- irb ird ire irg iri irl irn iro irr irs is- isb isd ise isg isi isl isn iso isr iss lbb lbd lbe lbg lbi lbl lbo lbr lbs ldb ldd lde ldg ldi ldl ldn ldo ldr lds leb led lee leg lei lel len leo ler les lgb lgd lge lgg lgi lgl lgn lgo lgr lgs lib lid lie lig lii lil lin lio lir lis llb lld lle llg lli lll lln llo llr lls lnb lnd lne lng lni lnl lnn lno lnr lns lob lod loe log loi lol lon loo lor los lrb lrd lrg lri lrn lro lrr lrs lsb lsd lse lsg lsi lsl lsn lso lsr lss n-i nbb nbd nbe nbg nbi nbl nbn nbo nbr nbs ndb ndd nde ndg ndi ndl ndn ndo ndr nds ne- neb ned nee neg nei nel nen neo ner nes ngb ngd nge ngg ngi ngl ngn ngo ngs nib nid nie nig nii nil nin nio nir nis nlb nld nle nlg nli nll nln nlo nlr nls nnb nne nng nni nnl nnn nno nns no- nob nod noe nog noi nol non noo nor nos nrb nrd nre nrg nri nrl nrn nro nrr nrs nsb nsd nse nsg nsi nsl nsn nso nsr nss o-i ob- obb obd obe obg obi obl obn obo obr obs odb odd ode odg odi odl odn odo odr ods oeb oed oee oeg oei oel oen oeo oer oes ogd oge ogg ogi ogl ogn ogo ogs oib oid oie oii oil oin oio oir ois olb old ole olg oli oll oln olo ols on- onb ond one ong oni onl onn ono onr ons oo- oob ood oog ooi ool oon ooo oor oos or- orb ord ore org ori orl orn oro orr ors os- osb osd ose osg osi osl osn oso osr oss rbb rbd rbe rbg rbi rbl rbn rbo rbr rbs rdb rdd rde rdg rdi rdl rdn rdo rdr rds re- reb red ree reg rei rel ren reo rer res rgb rgd rge rgg rgi rgn rgo rgr rgs rib rid rie rig rii ril rin rio rir ris rld rle rlg rli rll rln rlo rlr rls rnb rnd rng rni rnn rno rnr rns rob rod roe rog roi rol ron roo ror ros rrb rrd rrg rri rrl rrn rrr rrs rsb rsd rse rsg rsi rsl rsn rso rsr rss sbb sbd sbe sbg sbi sbl sbn sbo sbr sbs sdb sdd sde sdg sdi sdl sdn sdo sdr sds se- seb sed see seg sei sel sen seo ser ses sgb sgd sge sgg sgi sgl sgn sgo sgr sgs sib sid sie sig sii sil sin sio sir sis slb sld sle slg sli sll sln slo slr sls snb snd sne sng sni snl snn sno snr sns sob sod soe sog soi sol son soo sor sos sr- srb srd sre srg sri srl srn sro srr srs ss- ssb ssd sse ssg ssi ssl ssn