a-be aaaa aaab aaae aaaf aaal aaap aaar aaba aabb aabl aabp aaea aaep aafa aafb aaff aafl aala aale aall aalo aaoe aaoo aapa aapl aapo aara aare aaro aarp abaa abab abae abaf abal abap abar abb- abba abbb abbe abbo abbr abee abel aber abff abla able ablo aboa abob abof abol aboo abor abpa abpp abpr abra abro aeaf aeap aeer aela aelp aer- aera aero afaa afao afap afar afee afel afer affa affo afla afle aflp afoa afoe afol afoo afor afpa afpe afr- afra afre afro al-p alaa alae alal alao alap alar alb- alba albe albo alea alee alef aleo alep aler alfa alfe all- alla alle alll allo allr aloa aloe alof 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 apfa apfl apfo apl- apla aple aplp apo- apoe apof apoo apop apor appa appl appr apra apre apro arab arae araf aral arap arar arba arbe area aree aref arel areo arep arfa arfb arff arla arle arlo aroa arob aroe aroo aror arpa arpe arpl arr- arra arre arro arrr baaa baaf baal baar baba babb babe babo babr bael baer baff bafo bala bale balf ball balo baol bapa bape bapp bar- bara barb bare barf baro barr bbbb bbeb bblb bbpr beaf beal beap bear beba bebb bebe bebo beeb beef beel beep beer befa befe beff befo bela bele bell belo belp beo- beof beor bepo bera bere bero berr bffl bfpo bfpp blaa blab blae blea bleb blee bleo blob bloo blop boab boal boar boba bobb bobe bobo boea boee boef boel boeo boep boer bofa bofe boff bola bole boll bolo boob booe boof bool boop boor bopa bope bopp bor- bora bore borf boro borr bpea bpel bpfl bpoe brab brae braf brao brea breb bree bref brel breo brep brer brlp broa brob broe brol broo bror brrr e-la eaaf eaba eafb 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 eefa eefe eefl eele eera eero efab efbr efeo effa efla efor efpa el-b el-p elab elal elar elba elbe elbo elea elee elef eleo eler elfa elfe ella elle ello elpe elra elro eola eole eolo eora eore eorl epaa epee eper epfa eple epll epol epor eppa eppo eppp epra eprb epro eprp eraf eral erap erba erbb erbe ereb erel erer erla erle erll erob eroe erol eroo erpa erpe erra erre erro faaa faap faba fabe fabo faeb fafa fafe faff fafo fala fale fall falo fapa fape fapl fapp fara farb fare farl faro farp farr fbar fbla fble fbop feaf feal feap fear feba febo feeb feel feer fefe feff fefo fela fele felf fell felo feof fepa fera ferb fere fero ferr ffar ffee ffff ffrr flab flae flao flap flea flee fler flob floe floo flop flor foaf foal foar foba foer fofo fola fole foll folo folr foof fool fopp for- fora forb fore forl foro forr fpaa fpla fpra fprf frab frae frap frea free freo frep frla frob froe frol frop laaa laal laap laar laba labe labo labr lael laer lafb lafe laff lala lale lall lalo lapa lapb lape lapp lara larb lare larf larp larr lbar lblr leaa leaf leal leao leap lear leba lebo leea leef leel leep leer lefa lefe leff lela lele lell lelo leof leor lepa lepe lepo lepp lera lere lero lerp llao llef llll lloa lloo loaf loap loar lob- loba lobb lobe lobo loeb lofa lofe loff lola lole loll lolo loob looe loof lool loop loor lopa lope lopp lora lore loro lpfp lpla lppl lprp lral lrba lrrr o-eo oaer oafo oall oara oare obal obba obbo obea obel ober obla oble oboe obol obor obra obre obro oela oele oepa oera oere ofer off- offa offe offo offr ofla ofor ofra ofre olaf olar olba olbo ole- olea olef oleo oler olfa olfe olla olle ollo olof olor olpe ooaa ooba oobe ooer ooff 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 orfe orff orla orle orlo oro- oroe orof oror orpe orra orro paal paap paar paba paea paep paer pafa pafe paff pala pale pall palo palp papa papb pape papp papr par- para pare parf parl paro parp parr pbar pbpa pbrf peab peal peap pear peba pebl peel peep peer peff pel- pela pelb pele pelf pell pelo peor pepa pepe pepo per- pera pere perf perl pero perp perr pfaa pfff pffr pfra plaa plab plaf plap plar plbr ple- plea pleb plee pleo plfa plff plob ploo plop plpa plpp plra poar poba pobo poea poel poer poff pola pole poll polo poof pool poop poor pop- popa pope popo popp pora porb pore poro porr ppal ppap ppar pper ppfa pple pplo ppoa pppa pppo pppp pprf prae prao prar pre- preb pree pref prel prep prle prlr pro- proa prob proe prof prol proo prop raab raaf raba rabb rabe rabl rabo raef rael raep raer rafa rafe raff rala ralb rale ralf rall ralo raob raol raop rapa rape rapl rapp rara rarb rare rarf raro rbaf rbbb rbbr rble rea- reae reaf real reao reap rear reba rebb rebe rebo reeb reef reel reep refe reff refl refr rela relb rele rell relo relp reof reol reop repe repl repo repp repr rera rere rero rfae rfef rffl rlab rlee rlef roab roaf roap roar rob- roba robb robe robo roea roel roer rofe roff rofl rofo rola role rolf roll rolo rolp roob roof rool roop roor ropa rope ropo rora rore roro rpob rpoe rpof rrle