-er a-a a-b a-t aaa aab aae aak aao aar aas aat ab- aba abb abe abk abo abr abs abt aea aeb aee aek aeo aer aes aet aka akb ake akk ako akr aks aoa aob aoe aok aoo aor aos aot ar- ara arb are ark aro arr ars art as- asa asb ase ask aso asr ass ast at- ata atb ate ato atr ats att baa bab bae bak bao bar bas bat bba bbb bbe bbk bbo bbr bbs bbt be- bea beb bee bek beo ber bes bet bka bkb bke bkk bko bkr bks bkt boa bob boe bok boo bor bos bot bra brb bre brk bro brr brs brt bsa bsb bse bsk bso bsr bss bst bta btb bte btk bto btr bts btt eaa eab eae eak eao ear eas eat eba ebb ebe ebk ebo ebr ebs ebt eea eeb eee eek eeo eer ees eet eka ekb eke eko ekr eks ekt eo- eoa eob eoe eok eoo eor eos eot era erb ere erk ero err ers ert es- esa esb ese esk eso esr ess est eta etb ete etk eto etr ets ett k-t ka- kaa kab kae kak kao kar kas kat kba kbb kbe kbk kbo kbr kbs ke- kea keb kee kek keo ker kes ket kkb kke kkk kkr kks kkt koa kob koe kok koo kor kos kot kra krk kro krr krs krt ksa ksb kse ksk kso ksr kss kst kta ktb kte ktk kto ktr kts ktt oaa oab oae oak oao oar oas oat ob- oba obb obe obk obo obr obs obt oea oeb oee oeo oer oes oet oka okb oke okk oko okr oks oo- ooa oob ook ooo oor oos oot or- ora orb ore ork oro orr ors ort os- osa osb ose osk oso osr oss ost ot- ota otb ote otk oto otr ots ott ra- raa rab rae rak rao rar ras rat rba rbb rbe rbk rbo rbr rbs rbt re- rea reb ree rek reo rer res ret rkb rke rkk rko rks rkt roa rob roe rok roo ror ros rot rra rrb rrk rrr rrs rrt rsa rsb rse rsk rso rsr rss rst rta rtb rte rtk rto rtr rts rtt saa sab sae sak sao sar sas sat sba sbb sbe sbk sbo sbr sbs sbt se- sea seb see sek seo ser ses set sk- ska skb ske skk sko skr sks skt soa sob soe sok soo sor sos sot sr- sra srb sre srk sro srr srs srt ss- ssa ssb sse ssk sso ssr sss sst sta stb ste stk sto str sts stt taa tab tae tak tao tar tas tat tba tbb tbe tbk tbo tbr tbs tbt te- tea teb tee tek teo ter tes tet tka tkb tke tkk tko tkr tks tkt to- toa tob toe tok too tor tos tot tra trb tre trk tro trr trs trt tsa tsb tse tsk tso tsr tss tst tta ttb tte ttk tto ttr tts ttt

-ase -ose a-ak a-be a-ok aaaa aaab aaae aaar aaas aaba aabb aabt aaea aaes aaka aake aaoe aaoo aara aare aaro aars aart aasa aase aass aast aata aatk aatt abaa abab abae abak abar abas abat abb- abba abbb abbe abbo abbr abbs abbt abee aber abes abet aboa abob abok aboo abor abos abot abra abro abrs abs- absa abse abss abta abts aeas aebs aeer aeka aer- aera aero aers aess aest aeta aeto aetr aett akaa akae akao akar akas akee aker akes akka akko akok akos akot akr- akra akre aksa akst akte aoba aoks aora aorb aors aort aoss arab arae arak arar aras arat arba arbe arbs area aree arek areo ares aret arka arke arko arks aroa arob aroe aroo aror aros arr- arra arre arrk arro arrr arrs arrt ars- arsa arse arsk arso arst arta arte arto artr arts asaa asab asae asak asao asar asas asat asba asbo asea asee asek aser ases aset aska aske asko askr asks askt asob asok asor asos asot asra asro asrs assa asse assk asso assr asss asst asta astb aste asto astr asts at-t ataa atab atae atak atar atas atat atbs atea atee ateo ater ates atka atkt atob atoe atok ator atos atot atra atre atrk atro atsb atse atst atta atte atto attr atts baaa baak baar baas baat baba babb babe babo babr babs baek baer baes bak- baka bake bako bakr baks bakt baos bar- bara barb bare bark baro barr bars bart basa base bask baso bass bast bata bate bato bats batt bbas bbbb bbbs bbeb bbet beak bear beas beat beba bebb bebe bebo beeb beek beer bees beet beka beke beko beks beo- beok beor beos beot bera bere berk bero berr bers bert bes- besa bese besk beso bess best beta bete beto bets bett boab boak boar boas boat boba bobb bobe bobo bobs boea boee boeo boer boes boet boka boke boko boks boob booe book boor boos boot bor- bora bore bork boro borr bors bort bosa bose bosk boso boss bost bota botb bote boto bots bott brab brae brak brao bras brat brea breb bree brek breo brer bres bret brka brkb broa brob broe brok broo bror bros brot brrr brrs brsb brsr brst bsaa bsas bsat bsea bseb bsee bser bses bset bskt bsos bsra bsse bsts btaa btek btob btor btrt btss bttb eaba eara earb eare earo ears eart easa ease easo east eata eate eats ebba ebbo ebbr ebbs eber ebes eboe eboo ebor ebos ebro ebsa eeea eeee eees eeka eeke eeks eera eero eers eese eesk eeta eete eets eka- ekab ekeb ekek eker ekes eket ekka ekoa ekos ekta eoes eoka eora eore eost eota eoto eots eras erat erba erbb erbe ereb