-ase a-ak a-be aaaa aaab aaae aaap aaas aaba aabb aabp aaea aaep aaes aaka aake aapa aaps aasa aase aass abaa abab abae abak abap abas abb- abba abbb abbe abbs abee abes abpa abpp abps abs- absa abse absp abss aeap aeas aebs aeka aess akaa akae akap akas akee akes akka aksa apak apap apas apba apbs apea apep apes apke appa apps apsa apse apss asaa asab asae asak asap asas asba asea asee asek asep ases aska aske asks aspa aspe asps assa asse assk assp asss baaa baak baas baba babb babe babs baek baes bak- baka bake baks bapa bape bapp baps basa base bask bass bbas bbbb bbbs bbeb beak beap beas beba bebb bebe beeb beek beep bees beka beke beks bes- besa bese besk bess bksp bpea bpsa bsaa bsap bsas bsea bseb bsee bses bspp bsse eaba eapp eaps easa ease ebba ebbs ebes ebsa eeea eeee eees eeka eeke eeks eeps eese eesk eka- ekab ekeb ekek ekes ekka ekpe epaa epas epee epes eppa eppp epps epsa epsp epss esab esas esba esbs esea esee esek eses eska eske esks espa espe espp esps essa esse essp kaaa kaab kaak kaap kaas kaba kabb kabe kaep kaes kaka kake kakk kaks kap- kapa kape kapp kaps kas- kasa kasb kase kask kasp kass kbaa kbab kbae kbak kbap kbas kbba kbbb kbbe kbbk kbbs kbeb kbee kbek kbes kbkb kbkk kbpa kbpe kbpk kbps kbsa kbsb kbsk kbss kea- keak keap keas keba kebb kebe keek keep kees keka kekb keke keks kep- kepa kepe keps kesa kesb kesk kesp kess kkaa kkap kkba kkbb kkbe kkbs kkea kkkk kkpk kkps kksa kkse kksp kkss kpae kpak kpas kpba kpbb kpbe kpbs kpek kpke kpkk kppk kppp kpsp ksab ksak ksas ksba ksbp ksbs ksea ksee ksek ksep kska kskb kske kskk ksks kspa kspb kspe kspk ksps kssa ksse ksss paak paap paas paba paea paep paes paka pake paks papa papb pape papp paps pasa pase pask pasp pass pbpa pbpk pbsa pbsp peab peak peap peas peba peek peep pees peka peke pekk pepa pepe peps pesa pese pess ppap pppa pppp ppps ppss psap psas pseb pspp psps pssa psse saab saae saak saap saas saba sabb sabe sabs saeb saek saes saka sakb sake sakk saks sapa sape sapp saps sasa sase sask sass sbaa sbas sbbs sbsa sbse sbsp se-e se-k se-s seaa seab seak seap seas seba sebe sebs seea seeb seek seep sees seka seke sekk sepa sepe sepp seps sesa sese sess skab skap skee skep skes skss sp-a spae spak spap spas spea speb spee spek spes spke spps spsa spse spsp spss ssaa ssab ssap ssas ssee ssep sses sspa sspe ssps sssa sssb ssss