-er a-a a-b a-i a-t aaa aab aae aag aai aar aas aat ab- aba abb abe abg abi abr abs abt aea aeb aee aeg aei aer aes aet ag- aga agb age agg agi agr ags agt ai- aia aib aie aig aii air ais ait ar- ara arb are arg ari arr ars art as- asa asb ase asg asi asr ass ast at- ata atb ate atg ati atr ats att baa bab bae bag bai bar bas bat bba bbb bbe bbg bbi bbr bbs bbt be- bea beb bee beg bei ber bes bet bga bgb bge bgg bgi bgr bgs bgt bi- bia bib bie big bii bir bis bit bra brb bre brg bri brr brs brt bsa bsb bse bsg bsi bsr bss bst bta btb bte btg bti btr bts btt eaa eab eae eag eai ear eas eat eba ebb ebe ebg ebi ebr ebs ebt eea eeb eee eeg eer ees eet ega egb ege egg egi egr egs egt eia eib eie eig eii eir eis eit era erb ere erg eri err ers ert es- esa esb ese esg esi esr ess est eta etb ete etg eti etr ets ett gaa gab gae gag gai gar gas gat gba gbe gbg gbi gbr gbs gbt ge- gea geb gee geg gei ger ges get gga ggb ggg ggi ggr ggs ggt gia gib gie gig gii gir gis git gra grb gre grg gri grr grs grt gsa gsb gse gsg gsi gsr gss gst gta gtb gte gtg gti gtr gts gtt ia- iaa iab iae iag iai iar ias iat iba ibb ibe ibg ibi ibr ibs ibt ie- iea iee ieg iei ier ies iet iga igb ige igg igi igr igs igt iia iib iie iii iir iis iit ir- ira irb ire irg iri irr irs irt is- isa isb ise isg isi isr iss ist ita itb ite itg iti its itt ra- raa rab rae rag rai rar ras rat rba rbb rbe rbg rbi rbr rbs rbt re- rea reb ree reg rei rer res ret rga rgb rge rgg rgi rgr rgs rgt ria rib rie rig rii rir ris rit rra rrb rrg rri rrr rrs rrt rsa rsb rse rsg rsi rsr rss rst rta rtb rte rtg rti rtr rts rtt saa sab sae sag sai sar sas sat sba sbb sbe sbg sbi sbr sbs sbt se- sea seb see seg sei ser ses set sga sgb sge sgg sgi sgr sgs sgt sia sib sie sig sii sir sis sit sr- sra srb sre srg sri srr srs srt ss- ssa ssb sse ssg ssi ssr sss sst sta stb ste stg sti str sts stt taa tab tae tag tai tar tas tat tba tbb tbe tbg tbi tbr tbs tbt te- tea teb tee teg tei ter tes tet tga tgb tge tgg tgi tgr tgs tgt tia tib tie tig tii tir tis tit tra trb tre trg tri trr trs trt tsa tsb tse tsg tsi tsr tss tst tta ttb tte ttg tti ttr tts ttt

-ase a-be a-ii aaaa aaab aaae aaai aaar aaas aaba aabb aabi aabt aaea aaes aage aaib aaii aais aara aare aari aars aart aasa aase aasi aass aast aata aatt abaa abab abae abag abai abar abas abat abb- abba abbb abbe abbi abbr abbs abbt abee aber abes abet abia abib abie abig abir abis abit abra abri abrs abs- absa abse absi abss abta abts aeas aebi aebs aeer aega aeit aer- aera aeri aers aess aest aeta aetr aett agag agai agar agas agat agba agea agee agei ager ages aget agga agge aggi agia agib agie agig agii agir agis agit agra agre agri agsa agsg agst agta agte agtr agts aiai aias aiba aiea aiee aiet aiga aiia aiib aiir aira aire airi airs airt aisa aisb aise aisg aisi aisr aist aita aite aiti aitr aits aitt arab arae arag arai arar aras arat arba arbe arbi arbs area aree areg arei ares aret arga argb arge argi args aria arib arie arig arii aris arit arr- arra arre arrg arri arrr arrs arrt ars- arsa arse arsi arst arta arte arti artr arts asaa asab asae asag asai asar asas asat asba asea asee aser ases aset asge asgt asia asie asii asir asis asit asra asrg 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 baga bage bagg bagi bags bagt baia baib baie baig bair bais bait bar- bara barb bare barg bari barr bars bart basa base basi bass bast bata bate bati bats batt bbas bbbb bbbs bbeb bbet bbga bbrg beag bear beas beat beba bebb bebe bebi beeb beeg beer bees beet bega begg begi begs beia beir beis beit bera bere berg beri berr bers bert bes- besa bese bess best beta bete beti bets bett bggs bgia bgst biar bias biat biba bibb bibe bibi bibs bieb bier bies biet biga bigb bige bigg bigs bigt biis bira birb bire birg biri birr birs birt bis- bisa bise biss bist bita bite bits bitt brab brae brag brai bras brat brea breb bree breg brei brer bres bret bria brie brig bris brit brrr brrs brsb brsr brst bsaa bsas bsat bsea bseb bsee bseg bser bses bset bsgs bsra bsse bsts btaa btie btrt btss bttb eaba eaga eage eara earb eare ears eart easa ease easi east eata eate eati eats ebba ebbr ebbs eber ebes ebis ebit ebsa eeea eeee eees eega eegs eera eerg eers eese eesi eeta eete eets egaa egae egar