-er a-a a-b aaa aab aae aaf aag aar aas ab- aba abb abe abf abg abr abs aea aeb aee aef aeg aer aes af- afa afb afe aff afg afr afs ag- aga agb age agf agg agr ags ar- ara arb are arf arg arr ars as- asa asb ase asf asg asr ass baa bab bae baf bag bar bas bba bbb bbe bbf bbg bbr bbs be- bea beb bee bef beg ber bes bfa bfb bfe bff bfg bfr bfs bga bgb bge bgf bgg bgr bgs bra brb bre brf brg brr brs bsa bsb bse bsf bsg bsr bss eaa eab eae eaf eag ear eas eba ebb ebe ebf ebg ebr ebs eea eeb eee eef eeg eer ees ef- efa efb efe eff efg efr efs ega egb ege egf egg egr egs era erb ere erf erg err ers es- esa esb ese esf esg esr ess faa fab fae faf fag far fas fba fbb fbe fbf fbg fbr fbs fea feb fee fef feg fer fes ffa ffe fff ffg ffr ffs fga fgb fge fgf fgg fgr fgs fra frb fre frf frg frr frs fsa fsb fse fsf fsg fsr fss gaa gab gae gaf gag gar gas gba gbe gbf gbg gbr gbs ge- gea geb gee gef geg ger ges gfa gfb gfe gff gfr gfs gga ggb ggg ggr ggs gra grb gre grf grg grr grs gsa gsb gse gsf gsg gsr gss ra- raa rab rae raf rag rar ras rba rbb rbe rbf rbg rbr rbs re- rea reb ree ref reg rer res rfa rfb rfe rff rfg rfr rfs rga rgb rge rgf rgg rgr rgs rra rrb rrf rrg rrr rrs rsa rsb rse rsf rsg rsr rss saa sab sae saf sag sar sas sba sbb sbe sbf sbg sbr sbs se- sea seb see sef seg ser ses sfa sfb sfe sff sfg sfr sfs sga sgb sge sgf sgg sgr sgs sr- sra srb sre srf srg srr srs ss- ssa ssb sse ssf ssg ssr sss

-ase a-be aaaa aaab aaae aaaf aaar aaas aaba aabb aaea aaes aafa aafb aaff aage aara aare aars aasa aase aasf aass abaa abab abae abaf abag abar abas abb- abba abbb abbe abbr abbs abee aber abes abff abra abrs abs- absa abse absf abss aeaf aeas aebs aeer aega aer- aera aers aess afaa afar afbs afee afer afes affa affs afgf afr- afra afre afrs afsa afsb agag agar agas agba agea agee ager ages agfa agga agge agra agre agsa agsg arab arae araf arag arar aras arba arbe arbs area aree aref areg ares arfa arfb arff arfs arga argb arge args arr- arra arre arrg arrr arrs ars- arsa arse asaa asab asae asaf asag asar asas asba asea asee aser ases asfa asge asra asrg asrs assa asse assr asss baaa baaf baar baas baba babb babe babr babs baer baes baff baga bage bagg bags bar- bara barb bare barf barg barr bars basa base basf bass bbas bbbb bbbs bbeb bbga bbrg beaf beag bear beas beba bebb bebe beeb beef beeg beer bees befa befe beff bega begg begs bera bere berg berr bers bes- besa bese bess bfas bffs bfgf bfsr bggs brab brae braf brag bras brea breb bree bref breg brer bres brrr brrs brsb brsr bsaa bsas bsea bseb bsee bseg bser bses bsfa bsff bsfs bsgs bsra bsse eaaf eaba eafb eaga eage eara earb eare ears easa ease ebba ebbr ebbs eber ebes ebsa eeea eeee eees eefa eefe eega eegs eera eerg eers eese ef-g efab efas efbr efes effa effs efsa egaa egae egar egas egba egbe egea egee eger egfr eggb egge eggs egra egre egss eraf eras erba erbb erbe ereb erer eres erfs erg- erga ergg ergs erra erre errs ersa erse esab esag esar esas esba esbs esea esee eser eses esfs esra essa esse essg faaa faas faba fabe fabs faeb faes fafa fafe faff fafg fage fagg fags fara farb fare farg farr fars fasa fase fass fbar fbrs feaf fear feas feba febs feeb feer fees fefe feff fege fegg fegs fera ferb fere ferr fers fesa fese fess ffar ffee ffff ffrr ffsa ffss frab frae frag fras frea free fres frsb fsas fsgs fsra fssa fssf gaar gaas gaba gabb gabe gabr gabs gaea gaer gaes gafa gafb gaff gaga gage gagg gags gara garb gare garf garg garr gars gasa gasb gase gasr gass gbag gbas gbbs geab gear geas geba gebe geer gees gefe gefs gege gegg gera gerb gere gers gesg gess gfer gffa ggfg gggg ggss grab grae graf gras grbr grea greb gree gref greg gres grfa grrr grrs grss gsab gsea gsse raab raaf raag raas raba rabb rabe rabs raef raeg raer raes rafa rafe raff raga rage ragg rags rara rarb rare rarf rars rasa rase rass rbaf rbbb rbbr rbbs rbss rea- reae reaf rear reas reba rebb rebe rebs reeb reef rees refe reff refg refr refs rega rege regr regs rera rere rerg rers resa rese ress rfae rfef rfgs rgba rgbe rras rrrr rsaa rsaf rsee rsgb rsre rssa saab saae saaf saag saar saas saba sabb sabe sabr sabs saeb saer saes safa safb safe saff safr saga sage sagg sags sara sare sarf sarg sarr sars sasa sase sasf sass sbaa sbar sbas sbbs sbef sber sbsa sbse se-e se-f se-g se-s seaa seab seaf sear seas seba sebe sebs seea seeb seef seeg seer sees sefa seff sega sege segg segs sera serb sere serf serg serr sers sesa sese sess sfar sfas sfba sfer sfra sfss sgaa sgef sger sges sggg sggs sgss sraf sras sreb sres srgb ssaa ssab ssas ssbr ssee sses ssgs ssra ssrg ssrs sssa sssb sssf ssss

-aaa- a-sea aaaas aaaee aaarg aaasa aaass aabaa aabba aabfs