-er a-a a-b a-i a-t aaa aab aae aai aak aar aas aat ab- aba abb abe abi abk abr abs abt aea aeb aee aei aek aer aes aet ai- aia aib aie aii aik air ais ait aka akb ake aki akk akr aks ar- ara arb are ari ark arr ars art as- asa asb ase asi ask asr ass ast at- ata atb ate ati atr ats att baa bab bae bai bak bar bas bat bba bbb bbe bbi bbk bbr bbs bbt be- bea beb bee bei bek ber bes bet bi- bia bib bie bii bik bir bis bit bka bkb bke bkk bkr bks bkt bra brb bre bri brk brr brs brt bsa bsb bse bsi bsk bsr bss bst bta btb bte bti btk btr bts btt eaa eab eae eai eak ear eas eat eba ebb ebe ebi ebk ebr ebs ebt eea eeb eee eek eer ees eet eia eib eie eii eik eir eis eit eka ekb eke eki ekr eks ekt era erb ere eri erk err ers ert es- esa esb ese esi esk esr ess est eta etb ete eti etk etr ets ett ia- iaa iab iae iai iar ias iat iba ibb ibe ibi ibk ibr ibs ibt ie- iea iee iei iek ier ies iet iia iib iie iii iir iis iit ika ikb ike iki ikk ikr iks ikt ir- ira irb ire iri irk irr irs irt is- isa isb ise isi isk isr iss ist ita itb ite iti itk its itt k-t ka- kaa kab kae kai kak kar kas kat kba kbb kbe kbi kbk kbr kbs ke- kea keb kee kei kek ker kes ket kia kib kie kii kik kir kis kit kkb kke kki kkk kkr kks kkt kra kri krk krr krs krt ksa ksb kse ksi ksk ksr kss kst kta ktb kte ktk ktr kts ktt ra- raa rab rae rai rak rar ras rat rba rbb rbe rbi rbk rbr rbs rbt re- rea reb ree rei rek rer res ret ria rib rie rii rik rir ris rit rkb rke rkk rks rkt rra rrb rri rrk rrr rrs rrt rsa rsb rse rsi rsk rsr rss rst rta rtb rte rti rtk rtr rts rtt saa sab sae sai sak sar sas sat sba sbb sbe sbi sbk sbr sbs sbt se- sea seb see sei sek ser ses set sia sib sie sii sik sir sis sit sk- ska skb ske ski skk skr sks skt sr- sra srb sre sri srk srr srs srt ss- ssa ssb sse ssi ssk ssr sss sst sta stb ste sti stk str sts stt taa tab tae tai tak tar tas tat tba tbb tbe tbi tbk tbr tbs tbt te- tea teb tee tei tek ter tes tet tia tib tie tii tik tir tis tit tka tkb tke tkk tkr tks tkt tra trb tre tri trk trr trs trt tsa tsb tse tsi tsk tsr tss tst tta ttb tte tti ttk ttr tts ttt

-ase a-ak a-be a-ii aaaa aaab aaae aaai aaar aaas aaba aabb aabi aabt aaea aaes aaib aaii aais aaka aake aara aare aari aars aart aasa aase aasi aass aast aata aatk aatt abaa abab abae abai abak 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 aeka aer- aera aeri aers aess aest aeta aetr aett aiai aias aiba aiea aiee aiet aiia aiib aiir aika aike aiki aiks aira aire airi airs airt aisa aisb aise aisi aisk aisr aist aita aite aiti aitr aits aitt akaa akae akai akar akas akee aker akes akia akie akik akir akis akka akki akr- akra akre aksa aksi akst akte arab arae arai arak arar aras arat arba arbe arbi arbs area aree arei arek ares aret aria arib arie arii arik aris arit arka arke arki arks arr- arra arre arri arrk arrr arrs arrt ars- arsa arse arsi arsk arst arta arte arti artr arts asaa asab asae asai asak asar asas asat asba asea asee asek aser ases aset asia asie asii asik asir asis asit aska aske aski askr asks askt asra asrs assa asse assi assk assr asss asst asta astb aste asti astr asts at-t ataa atab atae atai atak atar atas atat atbs atea atee atei ater ates atia atie atik atis atit atka atkt atra atre atri atrk atsb atse atsi atst atta atte atti attr atts ba-i baaa baak baar baas baat baba babb babe babi babr babs baek baer baes baia baib baie baik bair bais bait bak- baka bake baki bakr baks bakt bar- bara barb bare bari bark barr bars bart basa base basi bask bass bast bata bate bati bats batt bbas bbbb bbbs bbeb bbet beak bear beas beat beba bebb bebe bebi beeb beek beer bees beet beia beik beir beis beit beka beke beki beks bera bere beri berk berr bers bert bes- besa bese besk bess best beta bete beti bets bett biak biar bias biat biba bibb bibe bibi bibs bieb bier bies biet biis bike bira birb bire biri birk birr birs birt bis- bisa bise bisk biss bist bita bite bits bitt brab brae brai brak bras brat brea breb bree brei brek brer bres bret bria brie brik bris brit brka brkb brrr brrs brsb brsr brst bsaa bsas bsat bsea bseb bsee bser bses bset bskt bsra bsse bsts btaa btek 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 eeka eeke eeks eera eers eese eesi eesk eeta eete eets eiei eier eies eika eike eiki eiks eira eire