a-be aaaa aaab aaae aaal aaap aaar aaba aabb aabl aabp aaea aaep aala aale aall aalo aaoe aaoo aapa aapl aapo aara aare aaro aarp abaa abab abae abal abap abar abb- abba abbb abbe abbo abbr abee abel aber abla able ablo aboa abob abol aboo abor abpa abpp abpr abra abro aeap aeer aela aelp aer- aera aero al-p alaa alae alal alao alap alar alb- alba albe albo alea alee aleo alep aler all- alla alle alll allo allr aloa aloe alol aloo alop alor alpa alpe alpl alpo alro aoba aola aole aopo aora aorb apal apao apap apar apba apbr apea apel apep aper apl- apla aple aplp apo- apoe apoo apop apor appa appl appr apra apre apro arab arae aral arap arar arba arbe area aree arel areo arep arla arle arlo aroa arob aroe aroo aror arpa arpe arpl arr- arra arre arro arrr baaa baal baar baba babb babe babo babr bael baer bala bale ball balo baol bapa bape bapp bar- bara barb bare baro barr bbbb bbeb bblb bbpr beal beap bear beba bebb bebe bebo beeb beel beep beer bela bele bell belo belp beo- beor bepo bera bere bero berr blaa blab blae blea bleb blee bleo blob bloo blop boab boal boar boba bobb bobe bobo boea boee boel boeo boep boer bola bole boll bolo boob booe bool boop boor bopa bope bopp bor- bora bore boro borr bpea bpel bpoe brab brae brao brea breb bree brel breo brep brer brlp broa brob broe brol broo bror brrr e-la eaba eala eale eaop eapp eara earb eare earl earo earp ebal ebba ebbo ebbr ebel eber ebla eboe ebol eboo ebor ebpo ebro eeea eeee eele eera eero el-b el-p elab elal elar elba elbe elbo elea elee eleo eler ella elle ello elpe elra elro eola eole eolo eora eore eorl epaa epee eper eple epll epol epor eppa eppo eppp epra eprb epro eprp eral erap erba erbb erbe ereb erel erer erla erle erll erob eroe erol eroo erpa erpe erra erre erro laaa laal laap laar laba labe labo labr lael laer lala lale lall lalo lapa lapb lape lapp lara larb lare larp larr lbar lblr leaa leal leao leap lear leba lebo leea leel leep leer lela lele lell lelo leor lepa lepe lepo lepp lera lere lero lerp llao llll lloa lloo loap loar lob- loba lobb lobe lobo loeb lola lole loll lolo loob looe lool loop loor lopa lope lopp lora lore loro lpla lppl lprp lral lrba lrrr o-eo oaer oall oara oare obal obba obbo obea obel ober obla oble oboe obol obor obra obre obro oela oele oepa oera oere olar olba olbo ole- olea oleo oler olla olle ollo olor olpe ooaa ooba oobe ooer oola oolo oooo oora oore opal opap opar opel opep oper opla ople opo- opor oppa oppo opra orab orae oral orao orar orba orbb orbe orbo ore- orea oreb orel oreo orer orla orle orlo oro- oroe oror orpe orra orro paal paap paar paba paea paep paer pala pale pall palo palp papa papb pape papp papr par- para pare parl paro parp parr pbar pbpa peab peal peap pear peba pebl peel peep peer pel- pela pelb pele pell pelo peor pepa pepe pepo per- pera pere perl pero perp perr plaa plab plap plar plbr ple- plea pleb plee pleo plob ploo plop plpa plpp plra poar poba pobo poea poel poer pola pole poll polo pool poop poor pop- popa pope popo popp pora porb pore poro porr ppal ppap ppar pper pple pplo ppoa pppa pppo pppp prae prao prar pre- preb pree prel prep prle prlr pro- proa prob proe prol proo prop raab raba rabb rabe rabl rabo rael raep raer rala ralb rale rall ralo raob raol raop rapa rape rapl rapp rara rarb rare raro rbbb rbbr rble rea- reae real reao reap rear reba rebb rebe rebo reeb reel reep rela relb rele rell relo relp reol reop repe repl repo repp repr rera rere rero rlab rlee roab roap roar rob- roba robb robe robo roea roel roer rola role roll rolo rolp roob rool roop roor ropa rope ropo rora rore roro rpob rpoe rrle rrrr