-er a-a a-b a-t aaa aab aad aae aaf aag aan aao aar aas aat ab- aba abb abd abe abf abg abn abo abr abs abt ad- ada adb add ade adf adg adn ado adr ads adt aea aeb aed aee aef aeg aen aeo aer aes aet af- afa afb afd afe aff afg afn afo afr afs aft ag- aga agb agd age agf agg agn ago agr ags agt an- ana anb and ane anf ang ann ano anr ans ant aoa aob aod aoe aof aog aon aoo aor aos aot ar- ara arb ard are arf arg arn aro arr ars art as- asa asb asd ase asf asg asn aso asr ass ast at- ata atb atd ate atf atg atn ato atr ats att baa bab bad bae baf bag ban bao bar bas bat bba bbb bbd bbe bbf bbg bbn bbo bbr bbs bbt bda bdb bdd bde bdf bdg bdo bdr bds bdt be- bea beb bed bee bef beg ben beo ber bes bet bfa bfb bfd bfe bff bfg bfn bfo bfr bfs bft bga bgb bgd bge bgf bgg bgn bgo bgr bgs bgt bna bnb bnd bne bnf bng bnn bno bnr bns bnt boa bob bod boe bof bog bon boo bor bos bot bra brb brd bre brf brg brn bro brr brs brt bsa bsb bsd bse bsf bsg bsn bso bsr bss bst bta btb btd bte btf btg btn bto btr bts btt daa dab dad dae daf dag dan dao dar das dat dba dbb dbd dbe dbf dbg dbn dbo dbr dbs dbt dda ddb ddd dde ddf ddg ddn ddo ddr dds ddt de- dea deb ded dee def deg den deo der des det dfa dfb dfd dfe dff dfg dfn dfo dfr dfs dft dga dgd dge dgf dgg dgn dgr dgs dgt dna dnb dnd dne dnf dng dnn dno dnr dns dnt doa dob dod doe dof dog don doo dor dos dot dra drb drd dre drg drn dro drr drs drt dsa dsb dsd dse dsf dsg dsn dso dsr dss dst dta dtb dtd dte dtf dtg dtn dto dtr dts dtt eaa eab ead eae eaf eag ean eao ear eas eat eba ebb ebd ebe ebf ebg ebn ebo ebr ebs ebt ed- eda edb edd ede edf edg edn edo edr eds edt eea eeb eed eee eef eeg een eeo eer ees eet ef- efa efb efd efe eff efg efo efr efs eft ega egb egd ege egf egg egn ego egr egs egt en- ena enb end ene enf eng enn eno enr ens ent eo- eoa eob eod eoe eof eog eon eoo eor eos eot era erb erd ere erf erg ern ero err ers ert es- esa esb esd ese esf esg esn eso esr ess est eta etb etd ete etf etg etn eto etr ets ett faa fab fad fae faf fag fan fao far fas fat fba fbb fbd fbe fbf fbg fbn fbo fbr fbs fbt fda fdb fdd fde fdf fdg fdn fdo fdr fds fdt fea feb fed fee fef feg fen feo fer fes fet ffa ffd ffe fff ffg ffn ffo ffr ffs fft fga fgb fgd fge fgf fgg fgn fgr fgs fgt fna fnb fnd fne fnf fng fnn fnr fns fnt foa fob foe fof fog fon foo for fos fot fra frb frd fre frf frg frn fro frr frs frt fsa fsb fsd fse fsf fsg fsn fso fsr fss fst fta ftb ftd fte ftf ftg ftn fto ftr fts ftt g-d gaa gab gad gae gaf gag gan gao gar gas gat gba gbd gbe gbf gbg gbn gbo gbr gbs gbt gda gdb gdd gde gdf gdn gdo gdr gds gdt ge- gea geb ged gee gef geg gen geo ger ges get gfa gfb gfd gfe gff gfo gfr gfs gft gga ggb ggd ggg ggn ggo ggr ggs ggt gna gnb gnd gne gnf gnn gno gnr gns gnt goa gob god goe gof gog gon goo gor gos got gra grb grd gre grf grg grn gro grr grs grt gsa gsb gsd gse gsf gsg gsn gso gsr gss gst gta gtb gtd gte gtf gtg gtn gto gtr gts gtt naa nab nad nae naf nag nan nao nar nas nat nba nbb nbd nbe nbf nbg nbn nbo nbr nbs nbt nda ndb ndd nde ndf ndg ndn ndo ndr nds ndt ne- nea neb ned nee nef neg nen neo ner nes net nfa nfb nfd nfe nff nfn nfo nfr nfs nft nga ngb ngd nge ngf ngg ngn ngo ngs ngt nna nnb nne nnf nng nnn nno nns nnt no- noa nob nod noe nof nog non noo nor nos not nra nrb nrd nre nrf nrg nrn nro nrr nrs nrt nsa nsb nsd nse nsf nsg nsn nso nsr nss nst nta ntb ntd nte ntf ntg ntn nto ntr nts ntt oaa oab oad oae oaf oag oan oao oar oas oat ob- oba obb obd obe obf obg obn obo obr obs obt oda odb odd ode odf odg odn odo odr ods odt oea oeb oed oee oef oeg oen oeo oer oes oet of- ofa ofb ofd ofe off ofg ofn ofo ofr ofs oft oga ogd oge ogf ogg ogn ogo ogs ogt on- ona onb ond one onf ong onn ono onr ons ont oo- ooa oob ood oof oog oon ooo oor oos oot or- ora orb ord ore orf org orn oro orr ors ort os- osa osb osd ose osf osg osn oso osr oss ost ot- ota otb otd ote otf otg otn oto otr ots ott ra- raa rab rad rae raf rag ran rao rar ras rat rba rbb rbd rbe rbf rbg rbn rbo rbr rbs rbt rda rdb