-er -ol b-u bbb bbd bbe bbf bbg bbi bbl bbo bbr bbs bbu bdb bdd bde bdf bdg bdi bdl bdo bdr bds bdu be- beb bed bee bef beg bei bel beo ber bes beu bfb bfd bfe bff bfg bfi bfl bfo bfr bfs bfu bgb bgd bge bgf bgg bgi bgl bgo bgr bgs bgu bi- bib bid bie bif big bii bil bio bir bis biu blb bld ble blf blg bli bll blo blr bls blu bob bod boe bof bog boi bol boo bor bos bou brb brd bre brf brg bri brl bro brr brs bru bsb bsd bse bsf bsg bsi bsl bso bsr bss bsu bub bud bue buf bug bui bul buo bur bus buu dbb dbd dbe dbf dbg dbi dbl dbo dbr dbs dbu ddb ddd dde ddf ddg ddi ddl ddo ddr dds ddu de- deb ded dee def deg dei del deo der des deu dfb dfd dfe dff dfg dfi dfl dfo dfr dfs dfu dgd dge dgf dgg dgi dgl dgr dgs dgu di- dib did die dif dig dii dil dio dir dis diu dl- dlb dld dle dlf dlg dli dll dlo dlr dls dlu dob dod doe dof dog doi dol doo dor dos dou drb drd dre drg dri drl dro drr drs dru dsb dsd dse dsf dsg dsi dsl dso dsr dss dsu dub dud due duf dug dui dul duo dur dus ebb ebd ebe ebf ebg ebi ebl ebo ebr ebs ebu ed- edb edd ede edf edg edi edl edo edr eds edu eeb eed eee eef eeg eel eeo eer ees ef- efb efd efe eff efg efi efl efo efr efs egb egd ege egf egg egi egl ego egr egs egu eib eid eie eif eig eii eil eio eir eis eiu elb eld ele elf elg eli ell elo elr els elu eo- eob eod eoe eof eog eoi eol eoo eor eos eou erb erd ere erf erg eri erl ero err ers eru es- esb esd ese esf esg esi esl eso esr ess esu eu- eub eud eue euf eug eui eul eur eus fbb fbd fbe fbf fbg fbi fbl fbo fbr fbs fbu fdb fdd fde fdf fdg fdi fdl fdo fdr fds fdu feb fed fee fef feg fei fel feo fer fes feu ffd ffe fff ffg ffi ffl ffo ffr ffs ffu fgb fgd fge fgf fgg fgi fgl fgr fgs fib fid fie fif fig fii fil fir fis fiu flb fld fle flf flg fli fll flo flr fls flu fob foe fof fog foi fol foo for fos fou frb frd fre frf frg fri frl fro frr frs fru fsb fsd fse fsf fsg fsi fsl fso fsr fss fsu fub fud fue fuf fug fui ful fuo fur fus fuu g-d gbd gbe gbf gbg gbi gbl gbo gbr gbs gbu gdb gdd gde gdf gdi gdl gdo gdr gds gdu ge- geb ged gee gef geg gei gel geo ger ges geu gfb gfd gfe gff gfi gfl gfo gfr gfs ggb ggd ggg ggi ggo ggr ggs ggu gib gid gie gif gig gii gil gio gir gis giu glb gld gle glf glg gli gll glo glr gls glu gob god goe gof gog goi gol goo gor gos gou grb grd gre grf grg gri grl gro grr grs gru gsb gsd gse gsf gsg gsi gsl gso gsr gss gsu gu- gub gud gue guf gug gui gul guo gur gus guu i-d i-f ibb ibd ibe ibf ibg ibi ibl ibo ibr ibs ibu idb idd ide idf idg idi idl ido idr ids idu ie- ied iee ief ieg iei iel ier ies ifb ifd ife iff ifg ifi ifl ifo ifr ifs ifu igb igd ige igf igg igi igl igo igr igs igu iib iid iie iif iii iil iio iir iis iiu il- ilb ild ile ilf ilg ili ill ilo ilr ils ilu io- iob iod ioe iof iog ioi iol ioo ior ios iou ir- irb ird ire irf irg iri irl iro irr irs iru is- isb isd ise isf isg isi isl iso isr iss isu iu- iub iud iue iug iui iur ius lbb lbd lbe lbf lbg lbi lbl lbo lbr lbs lbu ldb ldd lde ldf ldg ldi ldl ldo ldr lds ldu leb led lee lef leg lei lel leo ler les leu lfb lfd lfe lff lfg lfi lfl lfo lfr lfs lfu lgb lgd lge lgf lgg lgi lgl lgo lgr lgs lgu lib lid lie lif lig lii lil lio lir lis liu llb lld lle llf llg lli lll llo llr lls llu lob lod loe lof log loi lol loo lor los lou lrb lrd lrf lrg lri lro lrr lrs lru lsb lsd lse lsf lsg lsi lsl lso lsr lss lsu lub lud lue luf lug lui lul luo lur lus luu o-i ob- obb obd obe obf obg obi obl obo obr obs obu odb odd ode odf odg odi odl odo odr ods odu oeb oed oee oef oeg oei oel oeo oer oes of- ofb ofd ofe off ofg ofi ofl ofo ofr ofs ofu ogd oge ogf ogg ogi ogl ogo ogs oib oid oie oif oii oil oio oir ois oiu olb old ole olf olg oli oll olo ols olu oo- oob ood oof oog ooi ool ooo oor oos or- orb ord ore orf org ori orl oro orr ors oru os- osb osd ose osf osg osi osl oso osr oss osu ou- oud oue ouf oui oul ouo our ous rbb rbd rbe rbf rbg rbi rbl rbo rbr rbs rbu rdb rdd rde rdf rdg rdi rdl rdo rdr rds rdu re- reb red ree ref reg rei rel reo rer res reu rfb rfd rfe rff rfg rfi rfl rfo rfr