-er a-a a-b aaa aab aad aae aag aaj aan aar aas ab- aba abb abd abe abg abj abn abr abs ad- ada adb add ade adg adj adn adr ads aea aeb aed aee aeg aej aen aer aes ag- aga agb agd age agg agj agn agr ags aja ajb ajd aje ajj ajn ajr ajs an- ana anb and ane ang anj ann anr ans ar- ara arb ard are arg arj arn arr ars as- asa asb asd ase asg asj asn asr ass baa bab bad bae bag baj ban bar bas bba bbb bbd bbe bbg bbn bbr bbs bda bdb bdd bde bdg bdj bdr bds be- bea beb bed bee beg ben ber bes bga bgb bgd bge bgg bgn bgr bgs bja bjd bjg bjj bjn bjr bjs bna bnb bnd bne bng bnj bnn bnr bns bra brb brd bre brg brj brn brr brs bsa bsb bsd bse bsg bsj bsn bsr bss daa dab dad dae dag daj dan dar das dba dbb dbd dbe dbg dbn dbr dbs dda ddb ddd dde ddg ddn ddr dds de- dea deb ded dee deg dej den der des dga dgd dge dgg dgn dgr dgs dj- dja djb djd dje djg djs dna dnb dnd dne dng dnj dnn dnr dns dra drb drd dre drg drj drn drr drs dsa dsb dsd dse dsg dsj dsn dsr dss eaa eab ead eae eag eaj ean ear eas eba ebb ebd ebe ebg ebj ebn ebr ebs ed- eda edb edd ede edg edj edn edr eds eea eeb eed eee eeg een eer ees ega egb egd ege egg egn egr egs eja ejd en- ena enb end ene eng enn enr ens era erb erd ere erg ern err ers es- esa esb esd ese esg esn esr ess g-d gaa gab gad gae gag gaj gan gar gas gba gbd gbe gbg gbj gbn gbr gbs gda gdb gdd gde gdn gdr gds ge- gea geb ged gee geg gen ger ges gga ggb ggd ggg ggj ggn ggr ggs gja gje gjg gjr gna gnb gnd gne gnn gnr gns gra grb grd gre grg grj grn grr grs gsa gsb gsd gse gsg gsj gsn gsr gss j-d jaa jab jad jae jag jaj jan jar jas jba jbg jbj jbr jbs jda jdb jde jdg jdn jdr jds jea jeb jed jee jeg jej jen jer jes jga jgb jge jgn jgr jgs jja jjb jjg jjj jjr jjs jna jnd jne jng jnj jnn jnr jns jra jrb jrg jrn jrr jrs jsa jsb jsd jse jsg jsj jsn jsr jss naa nab nad nae nag naj nan nar nas nba nbb nbd nbe nbg nbn nbr nbs nda ndb ndd nde ndg ndn ndr nds ne- nea neb ned nee neg nej nen ner nes nga ngb ngd nge ngg ngj ngn ngs nja nje njn njs nna nnb nne nng nnn nns nra nrb nrd nre nrg nrj nrn nrr nrs nsa nsb nsd nse nsg nsn nsr nss ra- raa rab rad rae rag raj ran rar ras rba rbb rbd rbe rbg rbn rbr rbs rda rdb rdd rde rdg rdj rdn rdr rds re- rea reb red ree reg ren rer res rga rgb rgd rge rgg rgn rgr rgs rja rjg rjr rna rnb rnd rng rnn rnr rns rra rrb rrd rrg rrn rrr rrs rsa rsb rsd rse rsg rsj rsn rsr rss saa sab sad sae sag saj san sar sas sba sbb sbd sbe sbg sbj sbn sbr sbs sda sdb sdd sde sdg sdj sdn sdr sds se- sea seb sed see seg sej sen ser ses sga sgb sgd sge sgg sgn sgr sgs sja sjb sjd sje sjj sjr sjs sna snb snd sne sng snj snn snr sns sr- sra srb srd sre srg srj srn srr srs ss- ssa ssb ssd sse ssg ssj ssn ssr sss