-er ddd dde ddf ddg ddl ddn ddr dds ddu de- ded dee def deg del den der des deu dfd dfe dff dfg dfl dfn dfr dfs dfu dgd dge dgf dgg dgl dgn dgr dgs dgu dl- dld dle dlf dlg dll dlr dls dlu dnd dne dnf dng dnl dnn dnr dns drd dre drg drl drn drr drs dru dsd dse dsf dsg dsl dsn dsr dss dsu dud due duf dug dul dun dur dus ed- edd ede edf edg edl edn edr eds edu eed eee eef eeg eel een eer ees ef- efd efe eff efg efl efr efs egd ege egf egg egl egn egr egs egu eld ele elf elg ell eln elr els elu en- end ene enf eng enl enn enr ens enu erd ere erf erg erl ern err ers eru es- esd ese esf esg esl esn esr ess esu eu- eud eue euf eug eul eun eur eus fdd fde fdf fdg fdl fdn fdr fds fdu fed fee fef feg fel fen fer fes feu ffd ffe fff ffg ffl ffn ffr ffs ffu fgd fge fgf fgg fgl fgn fgr fgs fld fle flf flg fll fln flr fls flu fnd fne fnf fng fnl fnn fnr fns fnu frd fre frf frg frl frn frr frs fru fsd fse fsf fsg fsl fsn fsr fss fsu fud fue fuf fug ful fun fur fus fuu g-d gdd gde gdf gdl gdn gdr gds gdu ge- ged gee gef geg gel gen ger ges geu gfd gfe gff gfl gfr gfs ggd ggg ggn ggr ggs ggu gld gle glf glg gll gln glr gls glu gnd gne gnf gnl gnn gnr gns gnu grd gre grf grg grl grn grr grs gru gsd gse gsf gsg gsl gsn gsr gss gsu gu- gud gue guf gug gul gun gur gus guu ldd lde ldf ldg ldl ldn ldr lds ldu led lee lef leg lel len ler les leu lfd lfe lff lfg lfl lfn lfr lfs lfu lgd lge lgf lgg lgl lgn lgr lgs lgu lld lle llf llg lll lln llr lls llu lnd lne lng lnl lnn lnr lns lnu lrd lrf lrg lrn lrr lrs lru lsd lse lsf lsg lsl lsn lsr lss lsu lud lue luf lug lul lun lur lus luu ndd nde ndf ndg ndl ndn ndr nds ndu ne- ned nee nef neg nel nen ner nes neu nfd nfe nff nfl nfn nfr nfs nfu ngd nge ngf ngg ngl ngn ngs ngu nld nle nlf nlg nll nln nlr nls nlu nne nnf nng nnl nnn nns nnu nrd nre nrf nrg nrl nrn nrr nrs nru nsd nse nsf nsg nsl nsn nsr nss nsu nud nue nug nul nun nur nus nuu rdd rde rdf rdg rdl rdn rdr rds rdu re- red ree ref reg rel ren rer res reu rfd rfe rff rfg rfl rfn rfr rfs rfu rgd rge rgf rgg rgn rgr rgs rld rle rlf rlg rll rln rlr rls rlu rnd rng rnn rnr rns rnu rrd rrf rrg rrl rrn rrr rrs rru rsd rse rsf rsg rsl rsn rsr rss rsu rud rue ruf rug run rur rus ruu sdd sde sdf sdg sdl sdn sdr sds sdu se- sed see sef seg sel sen ser ses seu sfd sfe sff sfg sfl sfn sfr sfs sfu sgd sge sgf sgg sgl sgn sgr sgs sgu sld sle slf slg sll sln slr sls slu snd sne snf sng snl snn snr sns snu sr- srd sre srf srg srl srn srr srs ss- ssd sse ssf ssg ssl ssn ssr sss ssu sud sue suf sug sul sun sur sus suu udd ude udf udg udl udn udr uds udu ued uee uef ueg uel uen uer ues ufd ufe uff ufg ufl ufn ufr ufs ufu uge ugf ugg ugl ugn ugr ugs ugu uld ule ulf ulg ull uln ulr uls ulu un- und une unf ung unl unn unr uns unu ur- urd ure urf urg url urn urr urs uru usd use usf usg usl usn usr uss usu uue uug uun uur uus uuu