-up a-a a-b a-c a-t aaa aab aac aap aar aas aat aau aay ab- aba abb abc abp abr abs abt abu aby ac- aca acb acc acp acr acs act acu acy ap- apa apb apc app apr aps apt apu apy ar- ara arb arc arp arr ars art aru ary as- asa asb asc asp asr ass ast asu asy at- ata atb atc atp atr ats att atu au- aua aub auc aup aur aus aut ay- aya ayc ayp ayr ays ayt ayu b-p b-u baa bab bac bap bar bas bat bau bay bba bbb bbc bbp bbr bbs bbt bbu bby bca bcb bcc bcp bcr bcs bct bcu bcy bpa bpb bpc bpp bpr bps bpt bpu bpy bra brb brp brr brs brt bru bry bsa bsb bsc bsp bsr bss bst bsu bsy bta btb btc btp btr bts btt btu bty bua bub buc bup bur bus but buu buy by- bya byc byp byr bys byt byu c-- caa cab cac cap car cas cat cau cay cba cbb cbc cbp cbr cbs cbt cbu cby cca ccb ccc ccp ccr ccs cct ccu cpa cpb cpc cpp cpr cps cpt cpu cra crb crc crp crr crs crt cru cry csa csb csc csp csr css cst csu csy cta ctb ctc ctp ctr cts ctt ctu cty cua cub cuc cup cur cus cut cuu cuy cya cyb cyc cyp cyr cys cyt p-p paa pab pac pap par pas pat pau pay pba pbb pbc pbp pbr pbs pbt pbu pby pca pcb pcc pcp pcr pcs pct pcu ppa ppb ppc ppp ppr pps ppt ppu pra prb prc prp prr prs prt pru pry ps- psa psb psc psp psr pss pst psu psy pt- pta ptb ptc ptp ptr pts ptt ptu pty pua pub puc pup pur pus put puu puy py- pya pyb pyc pyr pys pyt pyu ra- raa rab rac rap rar ras rat rau ray rba rbb rbc rbp rbr rbs rbt rbu rca rcb rcc rcp rcr rcs rct rcu rpa rpb rpc rpp rpr rps rpt rpu rra rrb rrc rrp rrr rrs rrt rru rsa rsb rsc rsp rsr rss rst rsu rta rtb rtc rtp rtr rts rtt rtu rty rua rub ruc rup rur rus rut ruu ruy ry- rya ryc ryr rys ryu ryy saa sab sac sap sar sas sat sau say sba sbb sbc sbp sbr sbs sbt sbu sby sca scb scc scp scr scs sct scu spa spb spc spp spr sps spt spu spy sr- sra srb src srp srr srs srt sry ss- ssa ssb ssc ssp ssr sss sst ssu sta stb stc stp str sts stt stu sty sua sub suc sup sur sus sut suu suy sy- sya syb syc syp syr sys syt syu taa tab tac tap tar tas tat tau tay tba tbb tbc tbp tbr tbs tbt tbu tca tcb tcc tcp tcr tcs tct tcu tpa tpb tpc tpp tpr tps tpt tpu tra trb trc trp trr trs trt tru try tsa tsb tsc tsp tsr tss tst tsu tsy tta ttb ttc ttp ttr tts ttt ttu tty tua tub tuc tup tur tus tut tuu tuy tya tyc typ tyr tys tyt ua- uaa uab uac uap uar uas uat uau uay uba ubb ubc ubp ubr ubs ubt ubu uby uca ucb ucc ucp ucr ucs uct ucu up- upa upb upc upp upr ups upt upu ur- ura urb urc urp urr urs urt uru ury usa usb usc usp usr uss ust usu uta utb utc utp utr uts utt utu uty uua uuc uur uus uut uuu uyc uys uyu yaa yab yac yap yar yas yat yau yay ybc ybp ybr ybs yby yca ycc ycp ycs ycu ycy ypa yps ypu yra yrc yrp yrs yrt yru ysa ysb ysc ysp ysr yss yst ysu ysy yta ytc ytp ytr yts ytt ytu yua yup yur yus yut yuu yuy yyb yyc yys yyt yyu yyy

a-ya aaaa aaab aaac aaap aaar aaas aaba aabb aabc aabp aabt aaby aaca aacb aacc aacp aacr aacs aact aacu aacy aapa aapc aaps aapt aara aarc aarp aars aart aaru aasa aasc aass aast aasu aata aatc aatt aaup aaus abaa abab abac abap abar abas abat abau abay abb- abba abbb abbr abbs abbt abby abca abcb abcc abcp abcr abcs abct abpa abpc abpp abpr abps abra abrc abrs abry abs- absa absp abss absu abta abts abtu abua abus abut abuy abyc abys abyt abyy ac-t acaa acab acac acap acar acas acat acba acca accc accp accs acct accu accy acpa acpr acps acpt acpu acr- acra acrc acrr acrs acry acsa acsc acss acst acta actc acts actt actu acu- acup acur acus acut apac apap apar apas apat apay apba apbr apbs apca apcb apcc apcr apcs appa appc appr apps appt appu appy apra aprc aprs aprt apsa apss apsu apta aptc apts aptt apua apuc apup apus arab arac arap arar aras arat arau aray arba arbs arby arc- arca arcs arct arpa arps arpu arpy arr- arra arrc arrr arrs arrt arru arry ars- arsa arsc arst arsu arsy arta artc artr arts arty arua arub arup arut ary- arya arys asaa asab asac asap asar asas asat asau asay asba asbu asby asc- asca ascb ascc ascp ascr asct aspa aspc aspr asps aspt aspy asra asrc asrs asru assa assc assp assr asss asst assu assy asta astb astc astp astr asts asty asub asur asus asya at-t ataa atab atac atap atar atas atat atay atbs atca atcc atcr atcs atpr atra atrc atrp atru atry atsb atsc atst atta attp attr atts attu atty atua atub atuc atur atus atya atys auaa auby auca aucp auct aupc aups aur- aura ausa aust ausu aut- auts auty