-er a-a a-b a-c a-t aaa aab aac aae aaj aar aas aat ab- aba abb abc abe abj abr abs abt ac- aca acb acc ace acj acr acs act aea aeb aec aee aej aer aes aet aja ajb ajc aje ajj ajr ajs ajt ar- ara arb arc are arj arr ars art as- asa asb asc ase asj asr ass ast at- ata atb atc ate atr ats att baa bab bac bae baj bar bas bat bba bbb bbc bbe bbr bbs bbt bca bcb bcc bce bcj bcr bcs bct be- bea beb bec bee ber bes bet bja bjc bjj bjr bjs bjt bra brb bre brj brr brs brt bsa bsb bsc bse bsj bsr bss bst bta btb btc bte btr bts btt c-- c-j caa cab cac cae caj car cas cat cba cbb cbc cbe cbj cbr cbs cbt cca ccb ccc cce ccj ccr ccs cct ce- cea ceb cec cee cej cer ces cet cja cjb cjc cjr cjs cra crb crc cre crj crr crs crt csa csb csc cse csj csr css cst cta ctb ctc cte ctr cts ctt eaa eab eac eae eaj ear eas eat eba ebb ebc ebe ebj ebr ebs ebt ec- eca ecb ecc ece ecj ecr ecs ect eea eeb eec eee eer ees eet eja ejc ejt era erb erc ere err ers ert es- esa esb esc ese esr ess est eta etb etc ete etj etr ets ett jaa jab jac jae jaj jar jas jat jba jbc jbj jbr jbs jbt jca jcb jcc jce jcr jcs jct jea jeb jec jee jej jer jes jet jja jjb jjc jjj jjr jjs jra jrb jrc jrr jrs jrt jsa jsb jsc jse jsj jsr jss jst jta jtb jtc jte jtr jts jtt ra- raa rab rac rae raj rar ras rat rba rbb rbc rbe rbr rbs rbt rca rcb rcc rce rcj rcr rcs rct re- rea reb rec ree rer res ret rja rjc rjr rra rrb rrc rrr rrs rrt rsa rsb rsc rse rsj rsr rss rst rta rtb rtc rte rtj rtr rts rtt saa sab sac sae saj sar sas sat sba sbb sbc sbe sbj sbr sbs sbt sca scb scc sce scj scr scs sct se- sea seb sec see sej ser ses set sja sjb sjc sje sjj sjr sjs sjt sr- sra srb src sre srj srr srs srt ss- ssa ssb ssc sse ssj ssr sss sst sta stb stc ste stj str sts stt taa tab tac tae taj tar tas tat tba tbb tbc tbe tbj tbr tbs tbt tca tcb tcc tce tcj tcr tcs tct te- tea teb tec tee tej ter tes tet tjc tje tjr tjs tra trb trc tre trr trs trt tsa tsb tsc tse tsj tsr tss tst tta ttb ttc tte ttr tts ttt

-ase a-be aaaa aaab aaac aaae aaar aaas aaba aabb aabc aabt aaca aacb aacc aace aacr aacs aact aaea aaec aaes aara aarc aare aars aart aasa aasc aase aass aast aata aatc aatt abaa abab abac abae abaj abar abas abat abb- abba abbb abbe abbr abbs abbt abca abcb abcc abcr abcs abct abec abee aber abes abet abjs abra abrc abrs abs- absa abse abss abta abts ac-t acaa acab acac acae acar acas acat acba acca accc acce accs acct ace- acea acec acer aces acet acr- acra acrc acre acrr acrs acsa acsc acse acss acst acta actc acte acts actt aeac aeas aebs aecb aect aeer aer- aera aerc aers aesc aess aest aeta aetc aetr aett ajab ajac ajar ajas ajat ajba ajee ajet ajss arab arac arae arar aras arat arba arbe arbs arc- arca arce arcs arct area arec aree ares aret arja arje arr- arra arrc arre arrr arrs arrt ars- arsa arsc arse arst arta artc arte artr arts asaa asab asac asae asar asas asat asba asc- asca ascb ascc asce ascj ascr asct asea asec asee aser ases aset asja asra asrc asrs assa assc asse assr asss asst asta astb astc aste astr asts at-t ataa atab atac atae atar atas atat atbs atca atcc atcr atcs atea atec atee ater ates atra atrc atre atsb atsc atse atst atta atte attr atts baaa baar baas baat baba babb babe babr babs bac- baca bacc bace bacs bact baer baes baja bajs bar- bara barb barc bare barr bars bart basa basc base bass bast bata batc bate bats batt bbas bbbb bbbs bbeb bbet bbrc bcaa bcar bcas bcat bcbc bcbs bcca bccc bccs bcec bcer bces bcet bcra bcrs bcsa bcsc bcss bctc bcts bear beas beat beba bebb bebe beca becs beeb beej beer bees beet beja bera berc bere berr bers bert bes- besa bese bess best beta betc bete bets bett bjcc bjec brab brac brae braj bras brat brca brcb brce brea breb brec bree brer bres bret brje brrr brrs brsb brsr brst brtc bsaa bsac bsas bsat bscs bsea bseb bsec bsee bser bses bset bsra bssc bsse bsts btaa btcc btcs btec btrc btrt btss bttb caaa caab caac caas caat caba cabe cabs cac- caca cacc cace cacr caec caer caes caja cara carb carc care carj carr cars cart casa casb casc case casr cass cast cat- cata catb catc cate cats catt cbac cbar cbat cbbc cbbs cbca cbcc cbce cbcr cbcs cbct cbea cbec cbee cber cbet cbre cbrj cbrt cbsa cbsc cbse cbta cbtc ccaa ccab ccac ccar ccas ccat ccba ccbc ccca cccb cccc cccs ccee ccra ccrc ccre ccrs ccrt ccsa ccss ccst cctb cctc cctt ceac cear ceas ceat ceba cebs cec- ceca cece cecs cect ceeb ceec cees ceja cejc cer- cera cerc cere cers cert cesa cesc cese cesr cess cest cet- ceta cete cets cjar cjbc cjca cjcb cjcj cjcs cjrb cjrc cjrj