-er a-a a-b aaa aab aae aag aar aau ab- aba abb abe abg abr abu aea aeb aee aeg aer aeu ag- aga agb age agg agr agu ar- ara arb are arg arr aru au- aua aub aue aug aur b-u baa bab bae bag bar bau bba bbb bbe bbg bbr bbu be- bea beb bee beg ber beu bga bgb bge bgg bgr bgu bra brb bre brg brr bru bua bub bue bug bur buu eaa eab eae eag ear eau eba ebb ebe ebg ebr ebu eea eeb eee eeg eer ega egb ege egg egr egu era erb ere erg err eru eu- eua eub eue eug eur gaa gab gae gag gar gau gba gbe gbg gbr gbu ge- gea geb gee geg ger geu gga ggb ggg ggr ggu gra grb gre grg grr gru gu- gua gub gue gug gur guu ra- raa rab rae rag rar rau rba rbb rbe rbg rbr rbu re- rea reb ree reg rer reu rga rgb rge rgg rgr rra rrb rrg rrr rru rua rub rue rug rur ruu ua- uaa uab uae uag uar uau uba ubb ube ubg ubr ubu uea ueb uee ueg uer uga ugb uge ugg ugr ugu ur- ura urb ure urg urr uru uua uue uug uur uuu

a-be aaaa aaab aaae aaar aaba aabb aaea aage aara aare aaru abaa abab abae abag abar abau abb- abba abbb abbe abbr abee aber abra abua abue abug aeer aega aer- aera agag agar agau agba agea agee ager agga agge aggu agra agre agua ague agur arab arae arag arar arau arba arbe area aree areg areu arga argb arge arr- arra arre arrg arrr arru arua arub arue arug auaa aube auer auga auge aur- aura aure auug baaa baar baba babb babe babr babu baer baga bage bagg bar- bara barb bare barg barr baru bau- baug baur bbau bbbb bbeb bbga bbrg beag bear beau beba bebb bebe beeb beeg beer bega begg begu bera bere berg berr beru beur brab brae brag brau brea breb bree breg brer brrr brue brug buar buba bubb bube bubu buea buer bueu buga buge bugg bur- bura burb bure burg burr buru eaba eaga eage eara earb eare ebba ebbr eber ebru ebur eeea eeee eega eera eerg egaa egae egar egba egbe egbu egea egee eger eggb egge egra egre erau erba erbb erbe ereb erer erg- erga ergg erra erre erua erub erur euba euer euge eur- eura eure gaar gaba gabb gabe gabr gabu gaea gaer gaga gage gagg gagu gara garb gare garg garr gaua gaub gaue gaur gbag geab gear geba gebe geer gege gegg gera gerb gere geru geue gggg grab grae grau grbr grea greb gree greg greu grrr grua grub grue grug grur guaa guag guar guba gubb gubu guer guga gugb guge gugg gugu gura gurb gure gurg gurr guru raab raag raba rabb rabe rabu raeg raer raga rage ragg ragu rara rarb rare raua raub raue rbbb rbbr rea- reae rear reau reba rebb rebe rebu reeb rega rege regr regu rera rere rerg reru reue reuu rgba rgbe rrrr ruag ruba rubb rube rubu ruer ruga ruge rugg rura rure ruru uaru uaua ubar ubba ubbe uber ubra ueba ugab ugar ugra ugur uguu urau urba urbe ure- urea urga urge urgu urra urre urur uuuu

-aaa- aaaee aaarg aabaa aabba aabga aabra aarau abaab ababa ababe ababu abaer abaga abara abare abaru abbar abbur abear abeau abeba abebe abeer abega abege abegg abera abere aberg aberr abgar abrar abreu abura aburr aeaea aebbe aegae aegea aeger aerru agara agaue agege aggag aggar agger agree aguar agura ar-ab arab- araba arabe araea arage arara arare araru arbab arbar arbee arber arbre areae arear arega arere argue arrau arrea arrua aruaa aruba arura aruru auber augea auger augre augur aurae aurar aurea aurra baabe babar babau babee baber babra babur bagag bagar bagea bager bagga bagge bagra bagre bagru bagua bague baraa barab barag barar barba barbe barbu barea barer barga barge barra barre barru barua bauer bauge baura baure bauru bbbee bbear be-er beara beare bebar beber bebra beebe beega begab begar begee begga begge begue begur berag berar berau berba berbe berea bereg berga berge berra berre berru beuer beure braga bragb brage bragg breba brebu breer breg- brega brege bregg brera brere breu- brrar brrrr bruer bruge brugg bubba bubbe buber bugab bugar buger bugga bugge bugra bugre buraa burea burge burgu burra burru eagar eager eagre earar ebara ebber eberg ebure eeeee egare eggar egger erbaa erbar erbbe erber erear erege erere eurre ga-ga gaara gabar gabba gabbe gaber gabra gabre gaeru gagae gagar gagea gager gagge gagra garab garag garba garbe gareb garga garra garre garua garur gauge gaura gaure gbara gberg gberu gearb geare geber gebre gebur geere gegar gegge gerar gerba gerbe gerea gerra gerre ggaba grabe graea gragg graue graur grebe greer grege gregg grgar grgur grrrr gruae grubb grube grure guaba guage guara guare gubar gubbe guber gubra gubru guere gugau gugga gurab gurge gurre gurur ra-ra raaba raabe raagu rabab rabba rabbe ragea ragee rager ragga rarae rarbg rareb raree rarer raugu rear- reaue rebab rebag rebar rebbe rebeg reber rebra reege reere regab regar regau regba reger regga regge regur rere- reree reuar reuer rraga rragb rubab rubba rubee ruber rubra ruegg ruere rugae ruger rugge uber- ugrug uraba uraga urare urbar urea- ureae urera urger urrea urubu uuuuu

aaaaba aaberg aargau abaera abagar abburu abeere abegge aberra abrera abugge aegara aegeae ag-gag agareb agarru agreer agrega aguara aguera aragua araua araura araure arbaer arbage arberg arbra arburg areare argaea arguer arraba arraga arrage arrear arreau arrere aruaru auberg aubure augere augure baabaa baabar baarbu baauer bababe babare babbar baberu babrru babura bagber baggar bagger bagura baraga barara barbae barbar barbee barber barbra barbre barege baregg barera bargee barger bargur barrag barrea