-er a-a a-b a-t aaa aab aae aag aar aas aat ab- aba abb abe abg abr abs abt aea aeb aee aeg aer aes aet ag- aga agb age agg agr ags agt ar- ara arb are arg arr ars art as- asa asb ase asg asr ass ast at- ata atb ate atg atr ats att baa bab bae bag bar bas bat bba bbb bbe bbg bbr bbs bbt be- bea beb bee beg ber bes bet bga bgb bge bgg bgr bgs bgt bra brb bre brg brr brs brt bsa bsb bse bsg bsr bss bst bta btb bte btg btr bts btt eaa eab eae eag ear eas eat eba ebb ebe ebg ebr ebs ebt eea eeb eee eeg eer ees eet ega egb ege egg egr egs egt era erb ere erg err ers ert es- esa esb ese esg esr ess est eta etb ete etg etr ets ett gaa gab gae gag gar gas gat gba gbe gbg gbr gbs gbt ge- gea geb gee geg ger ges get gga ggb ggg ggr ggs ggt gra grb gre grg grr grs grt gsa gsb gse gsg gsr gss gst gta gtb gte gtg gtr gts gtt ra- raa rab rae rag rar ras rat rba rbb rbe rbg rbr rbs rbt re- rea reb ree reg rer res ret rga rgb rge rgg rgr rgs rgt rra rrb rrg rrr rrs rrt rsa rsb rse rsg rsr rss rst rta rtb rte rtg rtr rts rtt saa sab sae sag sar sas sat sba sbb sbe sbg sbr sbs sbt se- sea seb see seg ser ses set sga sgb sge sgg sgr sgs sgt sr- sra srb sre srg srr srs srt ss- ssa ssb sse ssg ssr sss sst sta stb ste stg str sts stt taa tab tae tag tar tas tat tba tbb tbe tbg tbr tbs tbt te- tea teb tee teg ter tes tet tga tgb tge tgg tgr tgs tgt tra trb tre trg trr trs trt tsa tsb tse tsg tsr tss tst tta ttb tte ttg ttr tts ttt

-ase a-be aaaa aaab aaae aaar aaas aaba aabb aabt aaea aaes aage aara aare aars aart aasa aase aass aast aata aatt abaa abab abae abag abar abas abat abb- abba abbb abbe abbr abbs abbt abee aber abes abet abra abrs abs- absa abse abss abta abts aeas aebs aeer aega aer- aera aers aess aest aeta aetr aett agag agar agas agat agba agea agee ager ages aget agga agge agra agre agsa agsg agst agta agte agtr agts arab arae arag arar aras arat arba arbe arbs area aree areg ares aret arga argb arge args arr- arra arre arrg arrr arrs arrt ars- arsa arse arst arta arte artr arts asaa asab asae asag asar asas asat asba asea asee aser ases aset asge asgt asra asrg asrs assa asse assr asss asst asta astb aste astr asts at-t ataa atab atae atar atas atat atbs atea atee ater ates atra atre atsb atse atst atta atte attr atts baaa baar baas baat baba babb babe babr babs baer baes baga bage bagg bags bagt bar- bara barb bare barg barr bars bart basa base bass bast bata bate bats batt bbas bbbb bbbs bbeb bbet bbga bbrg beag bear beas beat beba bebb bebe beeb beeg beer bees beet bega begg begs bera bere berg berr bers bert bes- besa bese bess best beta bete bets bett bggs bgst brab brae brag bras brat brea breb bree breg brer bres bret brrr brrs brsb brsr brst bsaa bsas bsat bsea bseb bsee bseg bser bses bset bsgs bsra bsse bsts btaa btrt btss bttb eaba eaga eage eara earb eare ears eart easa ease east eata eate eats ebba ebbr ebbs eber ebes ebsa eeea eeee eees eega eegs eera eerg eers eese eeta eete eets egaa egae egar egas egat egba egbe egea egee eger eggb egge eggs egra egre egss egta egte egts eras erat erba erbb erbe ereb erer eres eret erg- erga ergg ergs erra erre errs ersa erse erst erta erts esab esag esar esas esat esba esbs esea esee eser eses eset esra essa esse essg esst esta este estr ests etag etas etat etbr etee eter etes etra etre etta ette gaar gaas gaba gabb gabe gabr gabs gabt gaea gaer gaes gaga gage gagg gags gara garb gare garg garr gars gart gasa gasb gase gasr gass gast gata gate gatr gats gatt gbag gbas gbbs geab gear geas geat geba gebe geer gees geet gege gegg gera gerb gere gers gert gesg gess gest geta getb gete getg gets gett ggbt gggg ggss grab grae gras grat grbr grea greb gree greg gres gret grrr grrs grss gsab gsat gsea gsse gstr gtaa gtbr gtea gtta raab raag raas raat raba rabb rabe rabs raeg raer raes raga rage ragg rags rara rarb rare rars rasa rase rass rast rata rate rats ratt rbbb rbbr rbbs rbss rbst rea- reae rear reas reat reba rebb rebe rebs reeb rees reet rega rege regr regs regt rera rere rerg rers rert resa rese ress rest reta rete retr rets rett rgba rgbe rgtr rgts rras rrat rrrr rsaa rsee rsgb rsre rssa rsts rtas rtee rtes rtgs rtss rtts saab saae saag saar saas saat saba sabb sabe sabr sabs saeb saer saes saga sage sagg sags sagt sara sare sarg sarr sars sart sasa sase sass sast sata satb sate satg satr sats satt sbaa sbar sbas sbbs sber sbsa sbse sbst se-e se-g se-s se-t seaa seab sear seas seat seba sebe sebs sebt seea seeb seeg seer sees seet sega sege segg segs sera serb sere serg serr sers sert sesa sese sess sest set- seta sete sets sett sgaa sger sges sggg sggs sgss sgta sgts sras sreb sres srgb srta srtr ssaa ssab