-er a-a a-b aaa aab aad aae aag aan aao aar aas aau ab- aba abb abd abe abg abn abo abr abs abu ad- ada adb add ade adg adn ado adr ads adu aea aeb aed aee aeg aen aeo aer aes aeu ag- aga agb agd age agg agn ago agr ags agu an- ana anb and ane ang ann ano anr ans anu aoa aob aod aoe aog aon aoo aor aos aou ar- ara arb ard are arg arn aro arr ars aru as- asa asb asd ase asg asn aso asr ass asu au- aua aub aud aue aug aun auo aur aus b-u baa bab bad bae bag ban bao bar bas bau bba bbb bbd bbe bbg bbn bbo bbr bbs bbu bda bdb bdd bde bdg bdo bdr bds bdu be- bea beb bed bee beg ben beo ber bes beu bga bgb bgd bge bgg bgn bgo bgr bgs bgu bna bnb bnd bne bng bnn bno bnr bns bnu boa bob bod boe bog bon boo bor bos bou bra brb brd bre brg brn bro brr brs bru bsa bsb bsd bse bsg bsn bso bsr bss bsu bua bub bud bue bug bun buo bur bus buu daa dab dad dae dag dan dao dar das dau dba dbb dbd dbe dbg dbn dbo dbr dbs dbu dda ddb ddd dde ddg ddn ddo ddr dds ddu de- dea deb ded dee deg den deo der des deu dga dgd dge dgg dgn dgr dgs dgu dna dnb dnd dne dng dnn dno dnr dns doa dob dod doe dog don doo dor dos dou dra drb drd dre drg drn dro drr drs dru dsa dsb dsd dse dsg dsn dso dsr dss dsu dua dub dud due dug dun duo dur dus eaa eab ead eae eag ean eao ear eas eau eba ebb ebd ebe ebg ebn ebo ebr ebs ebu ed- eda edb edd ede edg edn edo edr eds edu eea eeb eed eee eeg een eeo eer ees ega egb egd ege egg egn ego egr egs egu en- ena enb end ene eng enn eno enr ens enu eo- eoa eob eod eoe eog eon eoo eor eos eou era erb erd ere erg ern ero err ers eru es- esa esb esd ese esg esn eso esr ess esu eu- eua eub eud eue eug eun eur eus g-d gaa gab gad gae gag gan gao gar gas gau gba gbd gbe gbg gbn gbo gbr gbs gbu gda gdb gdd gde gdn gdo gdr gds gdu ge- gea geb ged gee geg gen geo ger ges geu gga ggb ggd ggg ggn ggo ggr ggs ggu gna gnb gnd gne gnn gno gnr gns gnu goa gob god goe gog gon goo gor gos gou gra grb grd gre grg grn gro grr grs gru gsa gsb gsd gse gsg gsn gso gsr gss gsu gu- gua gub gud gue gug gun guo gur gus guu naa nab nad nae nag nan nao nar nas nau nba nbb nbd nbe nbg nbn nbo nbr nbs nbu nda ndb ndd nde ndg ndn ndo ndr nds ndu ne- nea neb ned nee neg nen neo ner nes neu nga ngb ngd nge ngg ngn ngo ngs ngu nna nnb nne nng nnn nno nns nnu no- noa nob nod noe nog non noo nor nos nou nra nrb nrd nre nrg nrn nro nrr nrs nru nsa nsb nsd nse nsg nsn nso nsr nss nsu nua nub nud nue nug nun nuo nur nus nuu oaa oab oad oae oag oan oao oar oas oau ob- oba obb obd obe obg obn obo obr obs obu oda odb odd ode odg odn odo odr ods odu oea oeb oed oee oeg oen oeo oer oes oga ogd oge ogg ogn ogo ogs on- ona onb ond one ong onn ono onr ons onu oo- ooa oob ood oog oon ooo oor oos or- ora orb ord ore org orn oro orr ors oru os- osa osb osd ose osg osn oso osr oss osu ou- oua oud oue oun ouo our ous ra- raa rab rad rae rag ran rao rar ras rau rba rbb rbd rbe rbg rbn rbo rbr rbs rbu rda rdb rdd rde rdg rdn rdo rdr rds rdu re- rea reb red ree reg ren reo rer res reu rga rgb rgd rge rgg rgn rgo rgr rgs rna rnb rnd rng rnn rno rnr rns rnu roa rob rod roe rog ron roo ror ros rou rra rrb rrd rrg rrn rrr rrs rru rsa rsb rsd rse rsg rsn rso rsr rss rsu rua rub rud rue rug run ruo rur rus ruu saa sab sad sae sag san sao sar sas sau sba sbb sbd sbe sbg sbn sbo sbr sbs sbu sda sdb sdd sde sdg sdn sdo sdr sds sdu se- sea seb sed see seg sen seo ser ses seu sga sgb sgd sge sgg sgn sgo sgr sgs sgu sna snb snd sne sng snn sno snr sns snu soa sob sod soe sog son soo sor sos sou sr- sra srb srd sre srg srn sro srr srs ss- ssa ssb ssd sse ssg ssn sso ssr sss ssu sua sub sud sue sug sun suo sur sus suu ua- uaa uab uad uae uag uan uao uar uas uau uba ubb ube ubg ubn ubo ubr ubs ubu uda udb udd ude udg udn udo udr uds udu uea ueb ued uee ueg uen uer ues uga ugb uge ugg ugn ugo ugr ugs ugu un- una unb und une ung unn uno unr uns unu uoa uob uod uoe uog uon uoo uor uos ur- ura urb urd ure urg urn uro urr urs uru usa usb usd use usg usn uso usr uss usu uua uue uug uun uur uus uuu

-ana