a-be aaaa aaab aaae aaap aaar aaba aabb aabp aaea aaep aage aaoe aaoo aapa aapo aara aare aaro aarp abaa abab abae abag abap abar abb- abba abbb abbe abbo abbr abee aber aboa abob aboo abor abpa abpp abpr abra abro aeap aeer aega aer- aera aero ag-o agag agao agap agar agba agbo agea agee agep ager agga agge agob agog agoo agra agre agro agrp aoba aopo aora aorb apao apap apar apba apbg apbr apea apeg apep aper apga apo- apoe apoo apop apor appa appr apra apre apro arab arae arag arap arar arba arbe area aree areg areo arep arga argb arge argo aroa arob aroe aroo aror arpa arpe arr- arra arre arrg arro arrr baaa baar baba babb babe babo babr baer baga bage bagg bago bapa bape bapp bar- bara barb bare barg baro barr bbbb bbeb bbga bbpr bbrg beag beap bear beba bebb bebe bebo beeb beeg beep beer bega begg bego beo- beor bepo bera bere berg bero berr boab boag boar boba bobb bobe bobo boea boee boeo boep boer boga boge bogg bogo boob booe boog boop boor bopa bope bopp bor- bora bore borg boro borr bpea bpoe brab brae brag brao brea breb bree breg breo brep brer broa brob broe brog broo bror brrr eaba eaga eage eaop eapp eara earb eare earo earp ebba ebbo ebbr eber eboe eboo ebor ebpo ebro eeea eeee eega eera eerg eero egaa egae egao egar egba egbe egea egee eger eggb egge eggo eggp ego- egor egpa egpb egpe egpo egra egre eora eore epaa epee eper epor eppa eppo eppp epra eprb epro eprp erap erba erbb erbe ereb erer erg- erga ergg ergo erob eroe eroo erpa erpe erra erre erro gaap gaar gaba gabb gabe gabo gabp gabr gaea gaer gaga gage gagg gago gapa gape gapp gara garb gare garg garo garp garr gbag gbap gbbo geab gear geba gebe geep geer gege gegg gego geo- geog gepa gepe gera gerb gere gero gggg ggpo goar goba gobe gobo goer goga gogo goog goop goor gope gopo gora gorb gore gorg goro gorp gorr gpaa gper gpgp gpra gprp grab grae grap grbr grea greb gree greg grep grob grog groo grop gror grrr o-eo oaer oara oare obba obbo obea ober oboe obor obra obre obro oegb oepa oera oere ogae ogar ogb ogba ogbe ogea ogee oger ogge ogoa ogog ogra ogre ogro ooaa ooba oobe ooer oooo oora oore opap opar opep oper opo- opor oppa oppo opra orab orae orao orar orba orbb orbe orbo ore- orea oreb oreg oreo orer orga orge orgo oro- oroe oror orpe orra orro paag paap paar paba paea paep paer paga pagb page pago papa papb pape papg papp papr par- para pare parg paro parp parr pbar pbpa peab peag peap pear peba peep peer pega pegg pego peor pepa pepe pepo per- pera pere perg pero perp perr pgaa pger poar poba pobo poea poer poge pogg pogo poop poor pop- popa pope popo popp pora porb pore porg poro porr ppap ppar pper ppga ppoa pppa pppo pppp prae prag prao prar pre- preb pree preg prep pro- proa prob proe prog proo prop raab raag raba rabb rabe rabo raeg raep raer raga rage ragg rago raob raop rapa rape rapp rara rarb rare raro rbbb rbbr rea- reae reao reap rear reba rebb rebe rebo reeb reep rega rege rego regr reog reop repe repo repp repr rera rere rerg rero rgba rgbe roab roag roap roar rob- roba robb robe robo roea roeg roer roga roge rogg rogo roob roog roop roor ropa rope ropo rora rore roro rpga rpob rpoe rrrr