-er a-a a-b a-i a-t aaa aab aae aai aar aas aat ab- aba abb abe abi abr abs abt aea aeb aee aei aer aes aet ai- aia aib aie aii air ais ait ar- ara arb are ari arr ars art as- asa asb ase asi asr ass ast at- ata atb ate ati atr ats att baa bab bae bai bar bas bat bba bbb bbe bbi bbr bbs bbt be- bea beb bee bei ber bes bet bi- bia bib bie bii bir bis bit bra brb bre bri brr brs brt bsa bsb bse bsi bsr bss bst bta btb bte bti btr bts btt eaa eab eae eai ear eas eat eba ebb ebe ebi ebr ebs ebt eea eeb eee eer ees eet eia eib eie eii eir eis eit era erb ere eri err ers ert es- esa esb ese esi esr ess est eta etb ete eti etr ets ett ia- iaa iab iae iai iar ias iat iba ibb ibe ibi ibr ibs ibt ie- iea iee iei ier ies iet iia iib iie iii iir iis iit ir- ira irb ire iri irr irs irt is- isa isb ise isi isr iss ist ita itb ite iti its itt ra- raa rab rae rai rar ras rat rba rbb rbe rbi rbr rbs rbt re- rea reb ree rei rer res ret ria rib rie rii rir ris rit rra rrb rri rrr rrs rrt rsa rsb rse rsi rsr rss rst rta rtb rte rti rtr rts rtt saa sab sae sai sar sas sat sba sbb sbe sbi sbr sbs sbt se- sea seb see sei ser ses set sia sib sie sii sir sis sit sr- sra srb sre sri srr srs srt ss- ssa ssb sse ssi ssr sss sst sta stb ste sti str sts stt taa tab tae tai tar tas tat tba tbb tbe tbi tbr tbs tbt te- tea teb tee tei ter tes tet tia tib tie tii tir tis tit tra trb tre tri trr trs trt tsa tsb tse tsi tsr tss tst tta ttb tte tti ttr tts ttt

-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 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 aiai aias aiba aiea aiee aiet aiia aiib aiir aira aire airi airs airt aisa aisb aise aisi aisr aist aita aite aiti aitr aits aitt arab arae arai arar aras arat arba arbe arbi arbs area aree arei ares aret aria arib arie arii aris arit arr- arra arre arri arrr arrs arrt ars- arsa arse arsi arst arta arte arti artr arts asaa asab asae asai asar asas asat asba asea asee aser ases aset asia asie asii asir asis asit asra asrs assa asse assi assr asss asst asta astb aste asti astr asts at-t ataa atab atae atai atar atas atat atbs atea atee atei ater ates atia atie atis atit atra atre atri atsb atse atsi atst atta atte atti attr atts ba-i baaa baar baas baat baba babb babe babi babr babs baer baes baia baib baie bair bais bait bar- bara barb bare bari barr bars bart basa base basi bass bast bata bate bati bats batt 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 bis- bisa bise biss bist bita bite bits bitt brab brae brai bras brat brea breb bree brei brer bres bret bria brie bris brit brrr brrs brsb brsr brst bsaa bsas bsat bsea bseb bsee bser bses bset bsra bsse bsts btaa 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 ebsa eeea eeee eees eera eers eese eesi eeta eete eets eiei eier eies eira eire eirs eisa eise eiss eist eita eitb eiti eitr 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 etra etre etsi etta ette etti 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 ibia ibie ibis ibra ibri ibsa ibss ibtb ibts ieat ieet ieie iera iere ieri iers iesa iesi iesr iest ieta iett iias iies iiie iiii iiis iiit iira iirs iisi iisr iist iita iitr iitt irae irai irar iras irbe iree irer ires iri- iria irie iris irra irre irri irrs irsa irse irta irte irti irts is-a isae isai isar isas isat isba isbe isbt isea iseb isee iser ises iset isia isie isis isit isra isri issa isse issi issr isss ista iste isti istr ists itaa itai itar itas itat itbe itbs itea iter ites itet itia itie itis itra itri itrs itsa itse itsi itta raab raas raat raba rabb rabe rabi rabs raer raes raia raie raii rair rais rait rara rarb rare rari rars rasa rase rasi rass rast rata rate rati rats ratt rbbb rbbr rbbs rbis rbss rbst rea- reae rear reas reat reba rebb rebe rebs reeb rees reet reia