-er -ey a-a a-b a-t aaa aab aae aap aar aat aay ab- aba abb abe abp abr abt aby aea aeb aee aep aer aet aey ap- apa apb ape app apr apt apy ar- ara arb are arp arr art ary at- ata atb ate atp atr att ay- aya aye ayp ayr ayt b-p baa bab bae bap bar bat bay bba bbb bbe bbp bbr bbt bby be- bea beb bee bep ber bet bey bpa bpb bpe bpp bpr bpt bpy bra brb bre brp brr brt bry bta btb bte btp btr btt bty by- bya bye byp byr byt eaa eab eae eap ear eat eba ebb ebe ebp ebr ebt eby eea eeb eee eep eer eet eey ep- epa epb epe epp epr ept era erb ere erp err ert ery eta etb ete etp etr ett ety eya eye eyp eyr eyt p-p paa pab pae pap par pat pay pba pbb pbe pbp pbr pbt pby pea peb pee pep per pet pey ppa ppb ppe ppp ppr ppt pra prb pre prp prr prt pry pt- pta ptb pte ptp ptr ptt pty py- pya pyb pye pyr pyt ra- raa rab rae rap rar rat ray rba rbb rbe rbp rbr rbt re- rea reb ree rep rer ret rey rpa rpb rpe rpp rpr rpt rra rrb rrp rrr rrt rta rtb rte rtp rtr rtt rty ry- rya rye ryr ryy taa tab tae tap tar tat tay tba tbb tbe tbp tbr tbt te- tea teb tee tep ter tet tey tpa tpb tpe tpp tpr tpt tra trb tre trp trr trt try tta ttb tte ttp ttr ttt tty tya tye typ tyr tyt yaa yab yae yap yar yat yay ybe ybp ybr yby yea yeb yee yep yer yet yey ypa yra yre yrp yrt yta yte ytp ytr ytt yyb yye yyt yyy

a-be a-ya aaaa aaab aaae aaap aaar aaba aabb aabp aabt aaby aaea aaep aapa aapt aara aare aarp aart aata aatt abaa abab abae abap abar abat abay abb- abba abbb abbe abbr abbt abby abee aber abet abey abpa abpp abpr abra abry abta abye abyt abyy aeap aeby aeer aer- aera aery aeta aetr aett apap apar apat apay apba apbr apea apep aper apet appa appr appt appy apra apre aprt apta apte aptt arab arae arap arar arat aray arba arbe arby area aree arep aret arey arpa arpe arpy arr- arra arre arrr arrt arry arta arte artr arty ary- arya arye at-t ataa atab atae atap atar atat atay atea atee atep ater atpr atra atre atrp atry atta atte attp attr atty atya ayar ayat ayay ayer aypt ayra ayre ayry ayta ayya baaa baar baat baba babb babe babr baby baer bapa bape bapp bapt bar- bara barb bare barr bart bary bata bate batt baty baya baye bayt bbay bbbb bbeb bbet bbpr beap bear beat beay beba bebb bebe beby beeb beep beer beet beey bera bere berr bert bery beta bete bett beya beye beyt bpay bpea brab brae brat bray brea breb bree brep brer bret brey brrr bry- brya brye btaa btbp btrt btry bttb byar byer byre byrt byte eaba eapp eara earb eare earp eart eary eata eate ebay ebba ebbr ebby eber ebya eeby eeea eeee eera eery eeta eete epaa epee eper eppa eppp eppy epra eprb eprp epta epte erap erat eray erba erbb erbe ereb erer eret erpa erpe erra erre erta erya erye etap etat etbr etee eter etra etre etta ette etty eyeb eyer eyet eyey eype eyra eyre eyry eyte eyyr paap paar paat paba pabt paea paep paer papa papb pape papp papr papy par- para pare parp parr part pary pata pate patr patt paty pay- paya payb paye payp payr payt pbar pbpa peab peap pear peat peay peba peep peer peet pepa pepe per- pera pere perp perr pert pery peta pete petr pett pety peyr ppap ppar pper pppa pppp ppta pptt ppye prae prar prat pray pre- preb pree prep pret prey prtp prtr ptab pter pyat pyay pyep pyet pype pypy pyr- pyra pyre pyry pyte pytt raab raat raba rabb rabe raby raep raer rapa rape rapp rapt rapy rara rarb rare rary rata rate ratp ratt raty raya raye rayr rayt rbbb rbbr rea- reae reap rear reat reay reba rebb rebe reeb reep reet repe repp repr rept repy rera rere rert rery reta rete retr rett rety reya reye rpet rpta rrat rrrr rtee rtpa rttp ryat ryba rybe rybp ryeb ryet rype rytt ryyt taa- taar taat taba tabb tabe taby taer tapa tape tapp tapr tapt tara tarb tare tarp tarr tart tary tata tatb tate tatr tatt taty taya taye tayt tayy tbar tbrb tbta tbtp tear teat teba teer teet tepa tepe tepp ter- tera tere terp terr tery teta tete tetr tett teya teye teyr tpap tper tppa tppp tppr tpte tptp tptr traa trab trae trap trat tray tre- trea tree tret trey trpa trpe trpp trra trte trtr try- trya tryb trye tryp ttab ttbb tter tttt tyar tyee tyer tyet typ- type typp typy tyr- tyra tyre tyrr tyta tyte tytt tyty yaar yaba yapa yape yapp yara yarb yare yarp yarr yart yary yata yate yaya yber ybet ybry yeap year yeat yeep yeer yeet yepe yepp yerb yere yerr yert yery yeta yete yett yeye yeyr ytay ytre yyyy

-aaa- -tree a-a-p aaaee aaata aabaa aabba aabey aabra aabye aapep aarya abaab ababa ababe ababy abaer abara abare abary abate abaya abaye abbar abbat abbay abbet abbey abbyt abbyy abear abeat abeba abebe abeer abeet abera abere aberr abert abeye abrar abray abtaa abtar aeaea aebbe aetat aeter apapa apar- apara apare apart apary apata apate apatt apaya apaye apear apeba apeep aper- apera apere apert apery apet- appar appay apper aprey