-er a-a a-b a-c a-t aaa aab aac aae aam aar aas aat aau ab- aba abb abc abe abm abr abs abt abu ac- aca acb acc ace acm acr acs act acu aea aeb aec aee aem aer aes aet aeu ama amb amc ame amm amr ams amt amu ar- ara arb arc are arm arr ars art aru as- asa asb asc ase asm asr ass ast asu at- ata atb atc ate atm atr ats att atu au- aua aub auc aue aum aur aus aut b-u baa bab bac bae bam bar bas bat bau bba bbb bbc bbe bbm bbr bbs bbt bbu bca bcb bcc bce bcm bcr bcs bct bcu be- bea beb bec bee bem ber bes bet beu bma bmb bmc bme bmm bmr bms bmt bmu bra brb bre brm brr brs brt bru bsa bsb bsc bse bsm bsr bss bst bsu bta btb btc bte btm btr bts btt btu bua bub buc bue bum bur bus but buu c-- caa cab cac cae cam car cas cat cau cba cbb cbc cbe cbm cbr cbs cbt cbu cca ccb ccc cce ccm ccr ccs cct ccu ce- cea ceb cec cee cem cer ces cet ceu cma cmb cmc cme cmm cmr cms cmt cmu cra crb crc cre crm crr crs crt cru csa csb csc cse csm csr css cst csu cta ctb ctc cte ctm ctr cts ctt ctu cua cub cuc cue cum cur cus cut cuu eaa eab eac eae eam ear eas eat eau eba ebb ebc ebe ebm ebr ebs ebt ebu ec- eca ecb ecc ece ecm ecr ecs ect ecu eea eeb eec eee eem eer ees eet em- ema emb emc eme emm emr ems emt emu era erb erc ere erm err ers ert eru es- esa esb esc ese esm esr ess est esu eta etb etc ete etm etr ets ett etu eu- eua eub euc eue eur eus eut m-r maa mab mac mae mam mar mas mat mau mba mbb mbc mbe mbm mbr mbs mbt mbu mc- mca mcb mcc mce mcm mcr mcs mct mcu mea meb mec mee mem mer mes met meu mma mmb mmc mme mmm mmr mms mmt mmu mra mrb mrc mre mrm mrr mrs mrt mru msa msb msc mse msm msr mss mst msu mta mtb mtc mte mtm mtr mts mtt mtu mua mub muc mue mum mur mus mut muu ra- raa rab rac rae ram rar ras rat rau rba rbb rbc rbe rbm rbr rbs rbt rbu rca rcb rcc rce rcm rcr rcs rct rcu re- rea reb rec ree rem rer res ret reu rma rmb rmc rme rmm rmr rms rmt rra rrb rrc rrm rrr rrs rrt rru rsa rsb rsc rse rsm rsr rss rst rsu rta rtb rtc rte rtm rtr rts rtt rtu rua rub ruc rue rum rur rus rut ruu saa sab sac sae sam sar sas sat sau sba sbb sbc sbe sbm sbr sbs sbt sbu sca scb scc sce scm scr scs sct scu se- sea seb sec see sem ser ses set seu sma smb smc sme smm smr sms smt smu sr- sra srb src sre srm srr srs srt ss- ssa ssb ssc sse ssm ssr sss sst ssu sta stb stc ste stm str sts stt stu sua sub suc sue sum sur sus sut suu taa tab tac tae tam tar tas tat tau tba tbb tbc tbe tbm tbr tbs tbt tbu tca tcb tcc tce tcm tcr tcs tct tcu te- tea teb tec tee tem ter tes tet teu tma tmb tmc tme tmm tmr tms tmt tmu tra trb trc tre trm trr trs trt tru tsa tsb tsc tse tsm tsr tss tst tsu tta ttb ttc tte ttm ttr tts ttt ttu tua tub tuc tue tum tur tus tut tuu ua- uaa uab uac uae uam uar uas uat uau uba ubb ubc ube ubr ubs ubt ubu uca ucb ucc uce ucm ucr ucs uct ucu uea ueb uec uee uem uer ues uet um- uma umb umc ume umm umr ums umt umu ur- ura urb urc ure urm urr urs urt uru usa usb usc use usm usr uss ust usu uta utb utc ute utm utr uts utt utu uua uuc uue uum uur uus uut uuu

-ase a-be aaaa aaab aaac aaae aaam aaar aaas aaba aabb aabc aabm aabt aaca aacb aacc aace aacm aacr aacs aact aacu aaea aaec aaem aaes aama aamb aamc aame aamr aams aara aarc aare aarm aars aart aaru aasa aasc aase aasm aass aast aasu aata aatc aatt aaus abaa abab abac abae abam abar abas abat abau abb- abba abbb abbe abbr abbs abbt abca abcb abcc abcr abcs abct abec abee aber abes abet abma abmb abmc abms abmt abra abrc abrs abs- absa abse abss absu abta abts abtu abua abue abum abus abut ac-t acaa acab acac acae acar acas acat acba acca accc acce accm accs acct accu ace- acea acec acem acer aces acet acma acmc acme acms acmu acr- acra acrc acre acrm acrr acrs acsa acsc acse acsm acss acst acta actc acte acts actt actu acu- acue acum acur acus acut aeac aeas aebs aecb aect aeer aemt aer- aera aerc aers aesc aess aest aeta aetc aetr aett amaa amac amae amam amar amas amat amb- amba ambe ambr ambs ambu amca amcc amcs amec amee amer ames amet ameu amm- amma amme ammu amra amrc amsa amsc amss amst amta amtc amte amts amua amum amur arab arac arae aram arar aras arat arau arba arbe arbs arc- arca arce arcm arcs arct area arec aree arem ares aret areu arma armc arme armm arms armt armu arr- arra arrc arre arrr arrs arrt arru ars- arsa arsc arse