-er a-a a-b a-c aaa aab aac aae aag aar ab- aba abb abc abe abg abr ac- aca acb acc ace acg acr aea aeb aec aee aeg aer ag- aga agb agc age agg agr ar- ara arb arc are arg arr baa bab bac bae bag bar bba bbb bbc bbe bbg bbr bca bcb bcc bce bcg bcr be- bea beb bec bee beg ber bga bgb bgc bge bgg bgr bra brb bre brg brr c-- caa cab cac cae cag car cba cbb cbc cbe cbg cbr cca ccb ccc cce ccg ccr ce- cea ceb cec cee ceg cer cga cgb cgc cge cgg cgr cra crb crc cre crg crr eaa eab eac eae eag ear eba ebb ebc ebe ebg ebr ec- eca ecb ecc ece ecg ecr eea eeb eec eee eeg eer ega egb egc ege egg egr era erb erc ere erg err gaa gab gac gae gag gar gba gbc gbe gbg gbr gca gcb gcc gce gcg gcr ge- gea geb gec gee geg ger gga ggb ggc ggg ggr gra grb grc gre grg grr ra- raa rab rac rae rag rar rba rbb rbc rbe rbg rbr rca rcb rcc rce rcg rcr re- rea reb rec ree reg rer rga rgb rgc rge rgg rgr rra rrb rrc rrg rrr

a-be aaaa aaab aaac aaae aaar aaba aabb aabc aaca aacb aacc aace aacr aaea aaec aage aara aarc aare abaa abab abac abae abag abar abb- abba abbb abbe abbr abca abcb abcc abcr abec abee aber abra abrc acaa acab acac acae acag acar acba acca accc acce ace- acea acec acer acga acgr acr- acra acrc acre acrr aeac aecb aeer aega aer- aera aerc agac agag agar agba agca agcc agce agea agee ager agga agge agra agre arab arac arae arag arar arba arbe arc- arca arce area arec aree areg arga argb arge arr- arra arrc arre arrg arrr baaa baar baba babb babe babr bac- baca bacc bace baer baga bage bagg bar- bara barb barc bare barg barr bbbb bbeb bbga bbrc bbrg bcaa bcar bcbc bcbg bcca bccc bcec bcer bcra beag bear beba bebb bebe beca beeb beeg beer bega begg bera berc bere berg berr bgca brab brac brae brag brca brcb brce brea breb brec bree breg brer brrr caaa caab caac caba cabe cabg cac- caca cacc cace cacr caec caer caga cage cagg cagr cara carb carc care carr cbac cbar cbbc cbca cbcc cbce cbcr cbea cbec cbee cber cbga cbgb cbre ccaa ccab ccac ccag ccar ccba ccbc ccca cccb cccc ccee ccga ccgc ccra ccrc ccre ccrg ceac cear ceba cec- ceca cece ceeb ceec cege cer- cera cerc cere cgac cgcc cgcg cger crab crac crag crar crbc crca crcc crce crcr cre- crea creb crec cree creg eaba eaca eacc eaec eaga eage eara earb eare ebac ebba ebbc ebbr ebcc eber ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce ecra ecrc ecrr eeca eeea eeee eega eera eerc eerg egaa egae egar egba egbe egcc egcg egcr egea egec egee eger eggb egge egra egre erba erbb erbe erca ercc erce ereb erec erer erg- erga ergg erra errc erre gaar gaba gabb gabe gabr gace gaea gaec gaer gaga gage gagg gara garb gare garg garr gbag gc-c gcaa gcbc gccc gcrg geab gear geba gebe geca gece geer gege gegg gera gerb gere gggg grab grac grae grbr grcc grce grea greb grec gree greg grrr raab raag raba rabb rabe rac- raca racc race raec raeg raer raga rage ragg rara rarb rare rbbb rbbr rcac rcbc rccb rccc rcga rcgc rcrg rea- reac reae rear reba rebb rebe reca recc rece recr reeb rega rege regr rera rere rerg rgba rgbe rrrr

-aaa- aaace aaaee aaarc aaarg aabaa aabba aabga aabra aacbc abaab ababa ababe abaca abaer abaga abara abare abbac abbar abccc abear abeba abebe abece abeer abega abege abegg abera abere aberg aberr abgar abrac abrar acaca acacb acage acar- acara acare acccg accra aceae acera acerb acrab acrea acree aeaea aebbe aegae aegea aeger agace agara agege aggag aggar agger agree ar-ab ara-c arab- araba arabe araca arace araea arage arara arare arbab arbar arbee arber arbre arcae arcee areae arear areca arega arere arrea baabe babar babec babee baber babra bacab bacar bacca bacea bagac bagag bagar bagea bager bagga bagge bagra bagre baraa barab barac barag barar barba barbe barca barce barea barer barga barge barra barre bbbee bbear be-er beara beare bebar beber bebra becca beeac beebe beega begab begar begee begga begge berag berar berba berbe berca berea berec bereg berga berge berra berre braca bracc brace braga bragb brage bragg breba brece breer breg- brega brege bregg brera brere brrar brrrr c-a-c ca-ca caaba caare caber cabra cabre caec- caeca caere cager cagge caraa carab carac carag carb- carea carer carga carge carra carre ccccc ceace ceara ceare cearr cebec ceber ceeac ceere cegar cegge cerae cerc- cerca cerce cerea cerec cerer cerge cerre craba crabb crace craer cragg crare crear crebe crece creer cregg eagar eager eagre earar ebara ebber eberg ecara ecare eecca eeeee egare eggar egger erace erbaa erbar erbbe erber ercea erceg ereac erear erege erere ga-ga gaara gabar gabba gabbe gaber gabra gabrc gabre gagae gagar gagea gager gagge gagra garab garac garag garba garbe garce gareb garga garra garre gbara gberg geaca gearb geare geber gebre geere gegar gegge gerar gerba gerbe gerce gerea gerra gerre ggaba grabe graca grace graea gragg grcac grebe greca grece greer grege gregg grgar grrrr ra-ra raaba raabe rabab rabac rabba rabbe race- racer ragea ragee rager ragga rarae rarbg rareb raree rarer rccar reace rear- rebab rebag rebar rebbe rebec rebeg reber rebra recca recce recea reece reege reere regab regar regba regec reger regga regge rere- reree rraga rragb rragc

aaaaba aaberg abacab abaera abagar abarca