-ase a-be aaaa aaab aaae aaap aaar aaas aaba aabb aabp aaea aaep aaes aapa aaps aara aare aarp aars aasa aase aass abaa abab abae abap abar abas abb- abba abbb abbe abbr abbs abee aber abes abpa abpp abpr abps abra abrs abs- absa abse absp abss aeap aeas aebs aeer aer- aera aers aess apap apar apas apba apbr apbs apea apep aper apes appa appr apps apra apre aprs apsa apse apss arab arae arap arar aras arba arbe arbs area aree arep ares arpa arpe arps arr- arra arre arrr arrs ars- arsa arse asaa asab asae asap asar asas asba asea asee asep aser ases aspa aspe aspr asps asra asrs assa asse assp assr asss baaa baar baas baba babb babe babr babs baer baes bapa bape bapp baps bar- bara barb bare barr bars basa base bass bbas bbbb bbbs bbeb bbpr beap bear beas beba bebb bebe beeb beep beer bees bera bere berr bers bes- besa bese bess bpea bpsa brab brae bras brea breb bree brep brer bres brrr brrs brsb brsr bsaa bsap bsas bsea bseb bsee bser bses bspp bspr bsra bsse eaba eapp eaps eara earb eare earp ears easa ease ebba ebbr ebbs eber ebes ebsa eeea eeee eees eeps eera eers eese epaa epas epee eper epes eppa eppp epps epra eprb eprp eprs epsa epsp epss erap eras erba erbb erbe ereb erer eres erpa erpe erps erra erre errs ersa erse esab esar esas esba esbs esea esee eser eses espa espe espp esps esra essa esse essp paap paar paas paba paea paep paer paes papa papb pape papp papr paps par- para pare parp parr pars pasa pase pasp pass pbar pbpa pbrs pbsa pbsp peab peap pear peas peba peep peer pees pepa pepe peps per- pera pere perp perr pers pesa pese pess ppap ppar pper pppa pppp ppps ppss prae prar pras prbs pre- preb pree prep pres prps prrs prsa prse prss psap psas psbr pseb pspp pspr psps psrp pssa psse raab raas raba rabb rabe rabs raep raer raes rapa rape rapp raps rara rarb rare rars rasa rase rasp rass rbbb rbbr rbbs rbsp rbss rea- reae reap rear reas reba rebb rebe rebs reeb reep rees repe repp repr reps rera rere rers resa rese resp ress rpps rras rrrr rrsp rsaa rsee rspb rsps rsre rssa saab saae saap saar saas saba sabb sabe sabr sabs saeb saer saes sapa sape sapp saps sara sare sarp sarr sars sasa sase sass sbaa sbar sbas sbbs sber sbsa sbse sbsp se-e se-s seaa seab seap sear seas seba sebe sebs seea seeb seep seer sees sepa sepe sepp sepr seps sera serb sere serp serr sers sesa sese sess sp-a spae spap spar spas spea speb spee sper spes spps sprs spsa spse spsp spss sras sreb sres srps srsp ssaa ssab ssap ssas ssbr ssee ssep sses sspa sspe ssps ssra ssrs sssa sssb ssss