-er a-a a-b a-i aaa aab aae aai aak aar aas ab- aba abb abe abi abk abr abs aea aeb aee aei aek aer aes ai- aia aib aie aii aik air ais aka akb ake aki akk akr aks ar- ara arb are ari ark arr ars as- asa asb ase asi ask asr ass baa bab bae bai bak bar bas bba bbb bbe bbi bbk bbr bbs be- bea beb bee bei bek ber bes bi- bia bib bie bii bik bir bis bka bkb bke bkk bkr bks bra brb bre bri brk brr brs bsa bsb bse bsi bsk bsr bss eaa eab eae eai eak ear eas eba ebb ebe ebi ebk ebr ebs eea eeb eee eek eer ees eia eib eie eii eik eir eis eka ekb eke eki ekr eks era erb ere eri erk err ers es- esa esb ese esi esk esr ess ia- iaa iab iae iai iar ias iba ibb ibe ibi ibk ibr ibs ie- iea iee iei iek ier ies iia iib iie iii iir iis ika ikb ike iki ikk ikr iks ir- ira irb ire iri irk irr irs is- isa isb ise isi isk isr iss ka- kaa kab kae kai kak kar kas kba kbb kbe kbi kbk kbr kbs ke- kea keb kee kei kek ker kes kia kib kie kii kik kir kis kkb kke kki kkk kkr kks kra kri krk krr krs ksa ksb kse ksi ksk ksr kss ra- raa rab rae rai rak rar ras rba rbb rbe rbi rbk rbr rbs re- rea reb ree rei rek rer res ria rib rie rii rik rir ris rkb rke rkk rks rra rrb rri rrk rrr rrs rsa rsb rse rsi rsk rsr rss saa sab sae sai sak sar sas sba sbb sbe sbi sbk sbr sbs se- sea seb see sei sek ser ses sia sib sie sii sik sir sis sk- ska skb ske ski skk skr sks sr- sra srb sre sri srk srr srs ss- ssa ssb sse ssi ssk ssr sss

-ase a-ak a-be a-ii aaaa aaab aaae aaai aaar aaas aaba aabb aabi aaea aaes aaib aaii aais aaka aake aara aare aari aars aasa aase aasi aass abaa abab abae abai abak abar abas abb- abba abbb abbe abbi abbr abbs abee aber abes abia abib abie abir abis abra abri abrs abs- absa abse absi abss aeas aebi aebs aeer aeka aer- aera aeri aers aess aiai aias aiba aiea aiee aiia aiib aiir aika aike aiki aiks aira aire airi airs aisa aisb aise aisi aisk aisr akaa akae akai akar akas akee aker akes akia akie akik akir akis akka akki akr- akra akre aksa aksi arab arae arai arak arar aras arba arbe arbi arbs area aree arei arek ares aria arib arie arii arik aris arka arke arki arks arr- arra arre arri arrk arrr arrs ars- arsa arse arsi arsk asaa asab asae asai asak asar asas asba asea asee asek aser ases asia asie asii asik asir asis aska aske aski askr asks asra asrs assa asse assi assk assr asss ba-i baaa baak baar baas baba babb babe babi babr babs baek baer baes baia baib baie baik bair bais bak- baka bake baki bakr baks bar- bara barb bare bari bark barr bars basa base basi bask bass bbas bbbb bbbs bbeb beak bear beas beba bebb bebe bebi beeb beek beer bees beia beik beir beis beka beke beki beks bera bere beri berk berr bers bes- besa bese besk bess biak biar bias biba bibb bibe bibi bibs bieb bier bies biis bike bira birb bire biri birk birr birs bis- bisa bise bisk biss brab brae brai brak bras brea breb bree brei brek brer bres bria brie brik bris brka brkb brrr brrs brsb brsr bsaa bsas bsea bseb bsee bser bses bsra bsse eaba eara earb eare ears easa ease easi ebba ebbr ebbs eber ebes ebis ebsa eeea eeee eees eeka eeke eeks eera eers eese eesi eesk eiei eier eies eika eike eiki eiks eira eire eirs eisa eise eisk eiss eka- ekab ekeb ekek eker ekes ekis ekka ekki eksi eras erba erbb erbe ereb erei erer eres eria erie erik eris erke erki erks erra erre errs ersa erse ersi esab esai esar esas esba esbs esea esee esek eser eses esie esik esis eska eske esks esra esri essa esse essi i-be iaaa iaai iaas iaba iaea iaia iais iara iare iars iasa iasi iask iasr ibar ibas ibea ibes ibia ibie ibis ibra ibri ibsa ibss ieie iera iere ieri iers iesa iesi iesr iias iies iiie iiii iiis iira iirs iisi iisr ikar ikea ikee iker ikes ikki ikra ikri irae irai irak irar iras irbe iree irer ires iri- iria irie iris irka irki irks irra irre irri irrs irsa irse is-a isae isai isak isar isas isba isbe isea iseb isee iser ises isia isie isis iska isra isri issa isse issi issr isss kaaa kaab kaai kaak kaar kaas kaba kabb kabe kabi kabr kaei kaer kaes kaia kaib kaie kaii kaik kair kais kaka kake kaki kakk kaks kara karb kare kari kark karr kars kas- kasa kasb kase kasi kask kasr kass kbaa kbab kbae kbai kbak kbar kbas kbba kbbb kbbe kbbi kbbk kbbr kbbs kbeb kbee kbek kber kbes kbia kbib kbie kbik kbis kbkb kbkk kbkr kbra kbrb kbre kbri kbrk kbsa kbsb kbsi kbsk kbsr kbss kea- keak kear keas keba kebb kebe kebi kebr keek keer kees keib keii keik keir keis keka kekb keke keki keks ker- kera kerb kere keri kerk kerr kers kesa kesb kesi kesk kesr kess kiab kiai kiar kias kiba kibb kibe kibi kibr kibs kier kies kiia kiii kiik kiis kika kiki kikk kikr kira kirb kiri kirk kirr kirs kisa kise kisi kisk kisr kiss kkaa kkai