-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aai aar aas aat ab- aba abb abc abe abi abr abs abt ac- aca acb acc ace aci acr acs act aea aeb aec aee aei aer aes aet ai- aia aib aic aie aii air ais ait ar- ara arb arc are ari arr ars art as- asa asb asc ase asi asr ass ast at- ata atb atc ate ati atr ats att baa bab bac bae bai bar bas bat bba bbb bbc bbe bbi bbr bbs bbt bca bcb bcc bce bci bcr bcs bct be- bea beb bec bee bei ber bes bet bi- bia bib bic bie bii bir bis bit bra brb bre bri brr brs brt bsa bsb bsc bse bsi bsr bss bst bta btb btc bte bti btr bts btt c-- caa cab cac cae cai car cas cat cba cbb cbc cbe cbi cbr cbs cbt cca ccb ccc cce cci ccr ccs cct ce- cea ceb cec cee cei cer ces cet ci- cia cib cic cie cii cir cis cit cra crb crc cre cri crr crs crt csa csb csc cse csi csr css cst cta ctb ctc cte cti ctr cts ctt eaa eab eac eae eai ear eas eat eba ebb ebc ebe ebi ebr ebs ebt ec- eca ecb ecc ece eci ecr ecs ect eea eeb eec eee eer ees eet eia eib eic eie eii eir eis eit era erb erc ere eri err ers ert es- esa esb esc ese esi esr ess est eta etb etc ete eti etr ets ett ia- iaa iab iac iae iai iar ias iat iba ibb ibc ibe ibi ibr ibs ibt ica icb icc ice ici icr ics ict ie- iea iec iee iei ier ies iet iia iib iic iie iii iir iis iit ir- ira irb irc ire iri irr irs irt is- isa isb isc ise isi isr iss ist ita itb itc ite iti its itt ra- raa rab rac rae rai rar ras rat rba rbb rbc rbe rbi rbr rbs rbt rca rcb rcc rce rci rcr rcs rct re- rea reb rec ree rei rer res ret ria rib ric rie rii rir ris rit rra rrb rrc rri rrr rrs rrt rsa rsb rsc rse rsi rsr rss rst rta rtb rtc rte rti rtr rts rtt saa sab sac sae sai sar sas sat sba sbb sbc sbe sbi sbr sbs sbt sca scb scc sce sci scr scs sct se- sea seb sec see sei ser ses set sia sib sic sie sii sir sis sit sr- sra srb src sre sri srr srs srt ss- ssa ssb ssc sse ssi ssr sss sst sta stb stc ste sti str sts stt taa tab tac tae tai tar tas tat tba tbb tbc tbe tbi tbr tbs tbt tca tcb tcc tce tci tcr tcs tct te- tea teb tec tee tei ter tes tet tia tib tic tie tii tir tis tit tra trb trc tre tri trr trs trt tsa tsb tsc tse tsi tsr tss tst tta ttb ttc tte tti ttr tts ttt

-ase a-be a-ii aaaa aaab aaac aaae aaai aaar aaas aaba aabb aabc aabi aabt aaca aacb aacc aace aaci aacr aacs aact aaea aaec aaes aaib aaic aaii aais aara aarc aare aari aars aart aasa aasc aase aasi aass aast aata aatc aatt abaa abab abac abae abai abar abas abat abb- abba abbb abbe abbi abbr abbs abbt abca abcb abcc abci abcr abcs abct abec abee aber abes abet abia abib abic abie abir abis abit abra abrc abri abrs abs- absa abse absi abss abta abts ac-t acaa acab acac acae acai acar acas acat acba acca accc acce acci accs acct ace- acea acec acer aces acet aci- acia acic acie acir acis acr- acra acrc acre acri acrr acrs acsa acsc acse acsi acss acst acta actc acte acti acts actt aeac aeas aebi aebs aecb aeci aect aeer aeit aer- aera aerc aeri aers aesc aess aest aeta aetc aetr aett aiai aias aiba aica aicc aice aicr aics aiea aiee aiet aiia aiib aiic aiir aira aire airi airs airt aisa aisb aise aisi aisr aist aita aite aiti aitr aits aitt arab arac arae arai arar aras arat arba arbe arbi arbs arc- arca arce arci arcs arct area arec aree arei ares aret aria arib arie arii aris arit arr- arra arrc arre arri arrr arrs arrt ars- arsa arsc arse arsi arst arta artc arte arti artr arts asaa asab asac asae asai asar asas asat asba asc- asca ascb ascc asce asci ascr asct asea asec asee aser ases aset asia asic asie asii asir asis asit asra asrc asrs assa assc asse assi assr asss asst asta astb astc aste asti astr asts at-t ataa atab atac atae atai atar atas atat atbs atca atcc atcr atcs atea atec atee atei ater ates atia atic atie atis atit atra atrc atre atri atsb atsc atse atsi atst atta atte atti attr atts ba-i baaa baar baas baat baba babb babe babi babr babs bac- baca bacc bace baci bacs bact baer baes baia baib baic baie bair bais bait bar- bara barb barc bare bari barr bars bart basa basc base basi bass bast bata batc bate bati bats batt bbas bbbb bbbs bbci bbeb bbet bbrc bcaa bcar bcas bcat bcbc bcbs bcca bccc bcci bccs bcec bcer bces bcet bcia bcie bcis bcit bcra bcrs bcsa bcsc bcss bctc bcts bear beas beat beba bebb bebe bebi beca beci becs beeb beer bees beet beia beic beir beis beit bera berc bere beri berr bers bert bes- besa bese bess best beta betc bete beti bets bett biar bias biat biba bibb bibe bibi bibs bica bicc bice bici bics bieb bier bies biet biis bira birb