-er a-a a-b a-c a-t aaa aab aac aae aar aas aat aau ab- aba abb abc abe abr abs abt abu ac- aca acb acc ace acr acs act acu aea aeb aec aee aer aes aet aeu ar- ara arb arc are arr ars art aru as- asa asb asc ase asr ass ast asu at- ata atb atc ate atr ats att atu au- aua aub auc aue aur aus aut b-u baa bab bac bae bar bas bat bau bba bbb bbc bbe bbr bbs bbt bbu bca bcb bcc bce bcr bcs bct bcu be- bea beb bec bee ber bes bet beu bra brb bre brr brs brt bru bsa bsb bsc bse bsr bss bst bsu bta btb btc bte btr bts btt btu bua bub buc bue bur bus but buu c-- caa cab cac cae car cas cat cau cba cbb cbc cbe cbr cbs cbt cbu cca ccb ccc cce ccr ccs cct ccu ce- cea ceb cec cee cer ces cet ceu cra crb crc cre crr crs crt cru csa csb csc cse csr css cst csu cta ctb ctc cte ctr cts ctt ctu cua cub cuc cue cur cus cut cuu eaa eab eac eae ear eas eat eau eba ebb ebc ebe ebr ebs ebt ebu ec- eca ecb ecc ece ecr ecs ect ecu eea eeb eec eee eer ees eet era erb erc ere err ers ert eru es- esa esb esc ese esr ess est esu eta etb etc ete etr ets ett etu eu- eua eub euc eue eur eus eut ra- raa rab rac rae rar ras rat rau rba rbb rbc rbe rbr rbs rbt rbu rca rcb rcc rce rcr rcs rct rcu re- rea reb rec ree rer res ret reu rra rrb rrc rrr rrs rrt rru rsa rsb rsc rse rsr rss rst rsu rta rtb rtc rte rtr rts rtt rtu rua rub ruc rue rur rus rut ruu saa sab sac sae sar sas sat sau sba sbb sbc sbe sbr sbs sbt sbu sca scb scc sce scr scs sct scu se- sea seb sec see ser ses set seu sr- sra srb src sre srr srs srt ss- ssa ssb ssc sse ssr sss sst ssu sta stb stc ste str sts stt stu sua sub suc sue sur sus sut suu taa tab tac tae tar tas tat tau tba tbb tbc tbe tbr tbs tbt tbu tca tcb tcc tce tcr tcs tct tcu te- tea teb tec tee ter tes tet teu tra trb trc tre trr trs trt tru tsa tsb tsc tse tsr tss tst tsu tta ttb ttc tte ttr tts ttt ttu tua tub tuc tue tur tus tut tuu ua- uaa uab uac uae uar uas uat uau uba ubb ubc ube ubr ubs ubt ubu uca ucb ucc uce ucr ucs uct ucu uea ueb uec uee uer ues uet ur- ura urb urc ure urr urs urt uru usa usb usc use usr uss ust usu uta utb utc ute utr uts utt utu uua uuc uue uur uus uut uuu

-ase a-be aaaa aaab aaac aaae aaar aaas aaba aabb aabc aabt aaca aacb aacc aace aacr aacs aact aacu aaea aaec aaes aara aarc aare aars aart aaru aasa aasc aase aass aast aasu aata aatc aatt aaus abaa abab abac abae abar abas abat abau abb- abba abbb abbe abbr abbs abbt abca abcb abcc abcr abcs abct abec abee aber abes abet abra abrc abrs abs- absa abse abss absu abta abts abtu abua abue abus abut ac-t acaa acab acac acae acar acas acat acba acca accc acce accs acct accu ace- acea acec acer aces acet acr- acra acrc acre acrr acrs acsa acsc acse acss acst acta actc acte acts actt actu acu- acue acur acus acut aeac aeas aebs aecb aect aeer aer- aera aerc aers aesc aess aest aeta aetc aetr aett arab arac arae arar aras arat arau arba arbe arbs arc- arca arce arcs arct area arec aree ares aret areu arr- arra arrc arre arrr arrs arrt arru ars- arsa arsc arse arst arsu arta artc arte artr arts arua arub arue arut asaa asab asac asae asar asas asat asau asba asbu asc- asca ascb ascc asce ascr asct asea asec asee aser ases aset asra asrc asrs asru assa assc asse assr asss asst assu asta astb astc aste astr asts asub asue asur asus at-t ataa atab atac atae atar atas atat atbs atca atcc atcr atcs atea atec atee ater ates atra atrc atre atru atsb atsc atse atst atta atte attr atts attu atua atub atuc atur atus auaa aube auca auce auct auer aur- aura aure ausa ause aust ausu aut- aute auts baaa baar baas baat baba babb babe babr babs babu bac- baca bacc bace bacs bact baer baes bar- bara barb barc bare barr bars bart baru basa basc base bass bast basu bata batc bate bats batt batu bau- baur bbas bbau bbbb bbbs bbeb bbet bbrc bcaa bcar bcas bcat bcbc bcbs bcca bccc bccs bcec bcer bces bcet bcra bcrs bcru bcsa bcsc bcss bctc bcts bcuc bear beas beat beau beba bebb bebe beca becs becu beeb beer bees beet bera berc bere berr bers bert beru bes- besa bese bess best beta betc bete bets bett betu beur brab brac brae bras brat brau brca brcb brce brea breb brec bree brer bres bret brrr brrs brsb brsr brst brtc bruc brue brus brut bsaa bsac bsas bsat bscs bsea bseb bsec bsee bser bses bset bsra bssc bsse bsts btaa btcc btcs btec btrc btrt btss bttb btus buar buat buba bubb bube bubs bubu buca bucc buce bucs bucu buea buer bueu bur- bura burb bure burr burs burt buru busa busc buse buss bust busu but- buta bute buts butt buus caaa