-er a-a a-b a-i a-t aaa aab aae aai aar aas aat aax ab- aba abb abe abi abr abs abt abx aea aeb aee aei aer aes aet aex ai- aia aib aie aii air ais ait aix ar- ara arb are ari arr ars art arx as- asa asb ase asi asr ass ast asx at- ata atb ate ati atr ats att atx ax- axa axe axi axr axs axt axx baa bab bae bai bar bas bat bax bba bbb bbe bbi bbr bbs bbt bbx be- bea beb bee bei ber bes bet bex bi- bia bib bie bii bir bis bit bix bra brb bre bri brr brs brt brx bsa bsb bse bsi bsr bss bst bsx bta btb bte bti btr bts btt btx bxb bxi bxx eaa eab eae eai ear eas eat eax eba ebb ebe ebi ebr ebs ebt ebx eea eeb eee eer ees eet eex eia eib eie eii eir eis eit eix era erb ere eri err ers ert es- esa esb ese esi esr ess est esx eta etb ete eti etr ets ett etx ex- exa exe exi exr exs ext exx ia- iaa iab iae iai iar ias iat iba ibb ibe ibi ibr ibs ibt ibx ie- iea iee iei ier ies iet iex iia iib iie iii iir iis iit iix ir- ira irb ire iri irr irs irt irx is- isa isb ise isi isr iss ist ita itb ite iti its itt itx ixe ixi ra- raa rab rae rai rar ras rat rax rba rbb rbe rbi rbr rbs rbt rbx re- rea reb ree rei rer res ret rex ria rib rie rii rir ris rit rix rra rrb rri rrr rrs rrt rsa rsb rse rsi rsr rss rst rsx rta rtb rte rti rtr rts rtt rtx rxr rxs saa sab sae sai sar sas sat sax sba sbb sbe sbi sbr sbs sbt sbx se- sea seb see sei ser ses set sex sia sib sie sii sir sis sit six sr- sra srb sre sri srr srs srt srx ss- ssa ssb sse ssi ssr sss sst ssx sta stb ste sti str sts stt stx sxi sxs sxt t-x taa tab tae tai tar tas tat tax tba tbb tbe tbi tbr tbs tbt te- tea teb tee tei ter tes tet tex tia tib tie tii tir tis tit tix tra trb tre tri trr trs trt trx tsa tsb tse tsi tsr tss tst tsx tta ttb tte tti ttr tts ttt ttx txe txi txs txt xaa xar xas xat xbe xbr xbx xee xer xes xet xex xia xie xii xis xit xix xrt xrx xsa xsb xsi xss xst xti xtr xts xtx xxi xxx

-ase a-be a-ii aaaa aaab aaae aaai aaar aaas aaba aabb aabi aabt aaea aaes aaib aaii aais aara aare aari aars aart aasa aase aasi aass aast aata aatt abaa abab abae abai abar abas abat abax abb- abba abbb abbe abbi abbr abbs abbt abee aber abes abet abia abib abie abir abis abit abra abri abrs abs- absa abse absi abss abta abts aeas aebi aebs aeer aeit aer- aera aeri aers aess aest aeta aetr aett aetx aiai aias aiba aiea aiee aiet aiia aiib aiir aira aire airi airs airt airx aisa aisb aise aisi aisr aist aita aite aiti aitr aits aitt aixa aixi arab arae arai arar aras arat arax arba arbe arbi arbs area aree arei ares aret arex aria arib arie arii aris arit arr- arra arre arri arrr arrs arrt ars- arsa arse arsi arst arta arte arti artr arts artx asaa asab asae asai asar asas asat asba asea asee aser ases aset asia asie asii asir asis asit asix asra asrs assa asse assi assr asss asst asta astb aste asti astr asts at-t at-x ataa atab atae atai atar atas atat atax atbs atea atee atei ater ates atex atia atie atis atit atra atre atri atrx atsb atse atsi atst atta atte atti attr atts axar axat axer axes axi- axia axie axis axse ba-i ba-x baaa baar baas baat baba babb babe babi babr babs baer baes baia baib baie bair bais bait baix bar- bara barb bare bari barr bars bart barx basa base basi bass bast bata bate bati bats batt baxi baxt bbas bbbb bbbs bbeb bbet bear beas beat beba bebb bebe bebi beeb beer bees beet beia beir beis beit bera bere beri berr bers bert bes- besa bese bess best beta bete beti bets bett biar bias biat biba bibb bibe bibi bibs bieb bier bies biet biis bira birb bire biri birr birs birt birx bis- bisa bise biss bist bita bite bits bitt bitx bixa bixi brab brae brai bras brat brax brea breb bree brei brer bres bret brex bria brie bris brit brix brrr brrs brsb brsr brst bsaa bsas bsat bsea bseb bsee bser bses bset bsix bsra bsse bsts btaa btex btie btrt btss bttb eaba eara earb eare ears eart easa ease easi east eata eate eati eats ebba ebbr ebbs eber ebes ebis ebit ebix ebsa eeea eeee eees eera eers eese eesi eeta eete eets eext eiei eier eies eira eire eirs eisa eise eiss eist eita eitb eiti eitr er-x eras erat erba erbb erbe ereb erei erer eres eret eria erie eris erit erra erre errs ersa erse ersi erst erta erts esab esai esar esas esat esba esbs esea esee eser eses eset esie esis esit esra esri essa esse essi esst esta este estr ests etai etas etat etbr etee eter etes etix etra etre etsi etta ette etti exa- exai exer exes exis exit exrx exta exte extr exts i-be iaaa iaai iaas iaat iaba iaea iaia iais iara iare iars iart iasa iasi iasr iata iate iati ibar ibas ibat ibea ibes ibet ibex ibia ibie