-er a-a a-b a-t aaa aab aae aap aar aat ab- aba abb abe abp abr abt aea aeb aee aep aer aet ap- apa apb ape app apr apt ar- ara arb are arp arr art at- ata atb ate atp atr att b-p baa bab bae bap bar bat bba bbb bbe bbp bbr bbt be- bea beb bee bep ber bet bpa bpb bpe bpp bpr bpt bra brb bre brp brr brt bta btb bte btp btr btt eaa eab eae eap ear eat eba ebb ebe ebp ebr ebt eea eeb eee eep eer eet ep- epa epb epe epp epr ept era erb ere erp err ert eta etb ete etp etr ett p-p paa pab pae pap par pat pba pbb pbe pbp pbr pbt pea peb pee pep per pet ppa ppb ppe ppp ppr ppt pra prb pre prp prr prt pt- pta ptb pte ptp ptr ptt ra- raa rab rae rap rar rat rba rbb rbe rbp rbr rbt re- rea reb ree rep rer ret rpa rpb rpe rpp rpr rpt rra rrb rrp rrr rrt rta rtb rte rtp rtr rtt taa tab tae tap tar tat tba tbb tbe tbp tbr tbt te- tea teb tee tep ter tet tpa tpb tpe tpp tpr tpt tra trb tre trp trr trt tta ttb tte ttp ttr ttt

a-be aaaa aaab aaae aaap aaar aaba aabb aabp aabt aaea aaep aapa aapt aara aare aarp aart aata aatt abaa abab abae abap abar abat abb- abba abbb abbe abbr abbt abee aber abet abpa abpp abpr abra abta aeap aeer aer- aera aeta aetr aett apap apar apat apba apbr apea apep aper apet appa appr appt apra apre aprt apta apte aptt arab arae arap arar arat arba arbe area aree arep aret arpa arpe arr- arra arre arrr arrt arta arte artr at-t ataa atab atae atap atar atat atea atee atep ater atpr atra atre atrp atta atte attp attr baaa baar baat baba babb babe babr baer bapa bape bapp bapt bar- bara barb bare barr bart bata bate batt bbbb bbeb bbet bbpr beap bear beat beba bebb bebe beeb beep beer beet bera bere berr bert beta bete bett bpea brab brae brat brea breb bree brep brer bret brrr btaa btbp btrt bttb eaba eapp eara earb eare earp eart eata eate ebba ebbr eber eeea eeee eera eeta eete epaa epee eper eppa eppp epra eprb eprp epta epte erap erat erba erbb erbe ereb erer eret erpa erpe erra erre erta etap etat etbr etee eter etra etre etta ette paap paar paat paba pabt paea paep paer papa papb pape papp papr par- para pare parp parr part pata pate patr patt pbar pbpa peab peap pear peat peba peep peer peet pepa pepe per- pera pere perp perr pert peta pete petr pett ppap ppar pper pppa pppp ppta pptt prae prar prat pre- preb pree prep pret prtp prtr ptab pter raab raat raba rabb rabe raep raer rapa rape rapp rapt rara rarb rare rata rate ratp ratt rbbb rbbr rea- reae reap rear reat reba rebb rebe reeb reep reet repe repp repr rept rera rere rert reta rete retr rett rpet rpta rrat rrrr rtee rtpa rttp taa- taar taat taba tabb tabe taer tapa tape tapp tapr tapt tara tarb tare tarp tarr tart tata tatb tate tatr tatt tbar tbrb tbta tbtp tear teat teba teer teet tepa tepe tepp ter- tera tere terp terr teta tete tetr tett tpap tper tppa tppp tppr tpte tptp tptr traa trab trae trap trat tre- trea tree tret trpa trpe trpp trra trte trtr ttab ttbb tter tttt

-aaa- -tree a-a-p aaaee aaata aabaa aabba aabra aapep abaab ababa ababe abaer abara abare abate abbar abbat abbet abear abeat abeba abebe abeer abeet abera abere aberr abert abrar abtaa abtar aeaea aebbe aetat aeter apapa apar- apara apare apart apata apate apatt apear apeba apeep aper- apera apere apert apet- appar apper apter ar-ab araat arab- araba arabe araea arara arare arata arate arbab arbar arbat arbee arber arbet arbre areae arear areat areet arepa arere arete arett arpar arrea arret artar artat artea arter atapr atara atbar atbat atear ateat atepa ater- aterr atete atpar atrab atrap atree attap attar attea atter attra baabe baart baata baate babar babee baber babra baert bapat bappe bapta baraa barab barar barat barba barbe barea barer baret barra barre barta batab batar batat batea bater batra batre batta batte bbart bbbee bbear be-er beara beare beart beata beate bebar bebat beber bebra beebe beete bepat beppe berar berat berba berbe berea beret berra berre berta berte betar betee beter betra betre bett- betta bette braat brate bratt breba breer breet brera brere brett brrar brrrr btape btr-t earar eatat eater eatre ebara ebart ebate ebber ebbet ebert eeeee eepee epptb epta- erate erbaa erbar erbbe erber erear erept erere errat ertar erte erter etapa etape etate etete etrap etree etter p-rep paape paara paarp paart paate pabra paete papa- papar papat paper papet pappa pappe papre para- parae parat parea paree parer paret parr- parra parre parta partb parte patea patee pater patr- patra patre patta patte peara peare peart pebre peere peert peeta peete pepap pepea pepee peppa peppe pept- pepta perea perer peret perre perta perte peta- petab petar petbe petea peter petr- petra petre petta pette praat prabe prae- praet prata prate pratt prepa preta prete pter- ptera ptere ptpra ptprb ptpre ptprr ptprt ptrap ra-ra raaba raabe rabab rabap rabat rabba rabbe rabet rabta rapae rapar rapat rapee raper rappa raptr rarae rareb raree rarer ratba rateb rater ratra ratta ratte reape reapt rear- reata reate rebab rebar rebat rebbe reber rebet rebra reepe reere repar repat repet reppe reprt rere- reree reret retab retap retar retee reter retta rette rrape t-ara t-bar ta-ra ta-ta taart tabae tabar tabat taber