-er a-a a-b aaa aab aae aaf aag aar ab- aba abb abe abf abg abr aea aeb aee aef aeg aer af- afa afb afe aff afg afr ag- aga agb age agf agg agr ar- ara arb are arf arg arr baa bab bae baf bag bar bba bbb bbe bbf bbg bbr be- bea beb bee bef beg ber bfa bfb bfe bff bfg bfr bga bgb bge bgf bgg bgr bra brb bre brf brg brr eaa eab eae eaf eag ear eba ebb ebe ebf ebg ebr eea eeb eee eef eeg eer ef- efa efb efe eff efg efr ega egb ege egf egg egr era erb ere erf erg err faa fab fae faf fag far fba fbb fbe fbf fbg fbr fea feb fee fef feg fer ffa ffe fff ffg ffr fga fgb fge fgf fgg fgr fra frb fre frf frg frr gaa gab gae gaf gag gar gba gbe gbf gbg gbr ge- gea geb gee gef geg ger gfa gfb gfe gff gfr gga ggb ggg ggr gra grb gre grf grg grr ra- raa rab rae raf rag rar rba rbb rbe rbf rbg rbr re- rea reb ree ref reg rer rfa rfb rfe rff rfg rfr rga rgb rge rgf rgg rgr rra rrb rrf rrg rrr

a-be aaaa aaab aaae aaaf aaar aaba aabb aaea aafa aafb aaff aage aara aare abaa abab abae abaf abag abar abb- abba abbb abbe abbr abee aber abff abra aeaf aeer aega aer- aera afaa afar afee afer affa afgf afr- afra afre agag agar agba agea agee ager agfa agga agge agra agre arab arae araf arag arar arba arbe area aree aref areg arfa arfb arff arga argb arge arr- arra arre arrg arrr baaa baaf baar baba babb babe babr baer baff baga bage bagg bar- bara barb bare barf barg barr bbbb bbeb bbga bbrg beaf beag bear beba bebb bebe beeb beef beeg beer befa befe beff bega begg bera bere berg berr bfgf brab brae braf brag brea breb bree bref breg brer brrr eaaf eaba eafb eaga eage eara earb eare ebba ebbr eber eeea eeee eefa eefe eega eera eerg ef-g efab efbr effa egaa egae egar egba egbe egea egee eger egfr eggb egge egra egre eraf erba erbb erbe ereb erer erg- erga ergg erra erre faaa faba fabe faeb fafa fafe faff fafg fage fagg fara farb fare farg farr fbar feaf fear feba feeb feer fefe feff fege fegg fera ferb fere ferr ffar ffee ffff ffrr frab frae frag frea free gaar gaba gabb gabe gabr gaea gaer gafa gafb gaff gaga gage gagg gara garb gare garf garg garr gbag geab gear geba gebe geer gefe gege gegg gera gerb gere gfer gffa ggfg gggg grab grae graf grbr grea greb gree gref greg grfa grrr raab raaf raag raba rabb rabe raef raeg raer rafa rafe raff raga rage ragg rara rarb rare rarf rbaf rbbb rbbr rea- reae reaf rear reba rebb rebe reeb reef refe reff refg refr rega rege regr rera rere rerg rfae rfef rgba rgbe rrrr

-aaa- aaaee aaarg aabaa aabba aabga aabra aaeaf abaab ababa ababe abaer abaga abara abare abbar abear abeba abebe abeer abega abege abegg abera abere aberg aberr abfab abgar abrar aeaea aebbe aegae aegea aeger afara afare afear afefe afega afere affer afgar afree agafa agara agege aggag aggar agger agree ar-ab arab- araba arabe araea arage arara arare arbab arbar arbee arber arbre areae arear areef arega arere arfe arrea baabe babar babee baber babra baffa bafra bagag bagar bagea bager bagga bagge bagra bagre baraa barab barag barar barba barbe barea barer barff barga barge barra barre bbbee bbear be-er beafe beara beare bebar beber bebra beebe beega beffe begab begar begee begga begge berag berar berba berbe berea bereg berga berge berra berre braff braga bragb brage bragg breba breef breer breg- brega brege bregg brera brere brrar brrrr eafre eagar eager eagre earar ebara ebber eberg eeeee efare efere effer effra egare eggar egger erbaa erbar erbbe erber erear erege erere fabae faber fabra fabre fager fagge farab farag farbe fareb farer farfa farge farre feare febre feere ferae ferga ferr- ferra ferre fraba fraga frage frear freea freer frege frera frere ga-ga gaara gabar gabba gabbe gaber gabra gabre gaffa gaffe gagae gagar gagea gager gagge gagra garab garag garba garbe gareb garfa garff garga garra garre gbara gberg gearb geare geber gebre geere gegar gegge gerar gerba gerbe gerea gerra gerre ggaba graaf grabe graea graef grafe graff gragg greaf grebe greef greer grefe greff grege gregg grgar grraf grrrr ra-ra raaba raabe raaff rabab rabba rabbe raeff rafar rafer raffa raffe ragea ragee rager ragga rarae raraf rarbg rareb raree rarer reafe rear- rebab rebag rebar rebbe rebeg reber rebra reefa reefe reege reere refar refer reffe regab regar regba reger regga regge rere- reree rraga rragb

aaaaba aaberg abaera abagar abeere abegge aberra abrera aegara aegeae aerfer afeefa affear affeer affere affre ag-gag agareb agarfa agrafa agrafe agraff agreef agreer agrefe agrega araafa arbaer arbage arberg arbra areare arfara arfarf argaea arraba arraga arrage arrear arrere baabaa baabar bababe babare babbar bagber baggar bagger baraga barara barbae barbar barbee barber barbra barbre barege baregg barera barfee bargee barger barrag barrea barrer bbbbbb bearer beebea beebee beefer beegee befree begaar begega beggar begger beraba berare berbar berbee berber berege berere berger berrer brabag bragar breage breare breefe breege breere breger bregge earage eebree effare effere egbere egerag erbage erbare erbree errare errea fabara fabber fabeae fagara fagger faraar farage farara farber farfar farger farrar fearer ferbar ferber ferfer fergee ferrar ferrea ferrer frafra freare frefre frerea gabara gabber gabgab gaffar gaffer gagaga gaggee gagger garage garber gargar garraf gbegbe geagea gearer geebag geegee gegger geraea gerber gerefa gerege gerger graaff grabar grabbe graber graeae grager greefe greffe greger gregge gregre rababa raberg rafaga raffee