-er a-a a-b a-t aaa aab aad aae aak aar aas aat ab- aba abb abd abe abk abr abs abt ad- ada adb add ade adk adr ads adt aea aeb aed aee aek aer aes aet aka akb akd ake akk akr aks ar- ara arb ard are ark arr ars art as- asa asb asd ase ask asr ass ast at- ata atb atd ate atr ats att baa bab bad bae bak bar bas bat bba bbb bbd bbe bbk bbr bbs bbt bda bdb bdd bde bdk bdr bds bdt be- bea beb bed bee bek ber bes bet bka bkb bke bkk bkr bks bkt bra brb brd bre brk brr brs brt bsa bsb bsd bse bsk bsr bss bst bta btb btd bte btk btr bts btt daa dab dad dae dak dar das dat dba dbb dbd dbe dbk dbr dbs dbt dda ddb ddd dde ddk ddr dds ddt de- dea deb ded dee dek der des det dka dkb dke dkk dkr dks dkt dra drb drd dre drk drr drs drt dsa dsb dsd dse dsk dsr dss dst dta dtb dtd dte dtk dtr dts dtt eaa eab ead eae eak ear eas eat eba ebb ebd ebe ebk ebr ebs ebt ed- eda edb edd ede edk edr eds edt eea eeb eed eee eek eer ees eet eka ekb ekd eke ekr eks ekt era erb erd ere erk err ers ert es- esa esb esd ese esk esr ess est eta etb etd ete etk etr ets ett k-t ka- kaa kab kad kae kak kar kas kat kba kbb kbd kbe kbk kbr kbs kda kdb kde kdk kdr kds kdt ke- kea keb ked kee kek ker kes ket kkb kke kkk kkr kks kkt kra krd krk krr krs krt ksa ksb ksd kse ksk ksr kss kst kta ktb kte ktk ktr kts ktt ra- raa rab rad rae rak rar ras rat rba rbb rbd rbe rbk rbr rbs rbt rda rdb rdd rde rdr rds rdt re- rea reb red ree rek rer res ret rkb rke rkk rks rkt rra rrb rrd rrk rrr rrs rrt rsa rsb rsd rse rsk rsr rss rst rta rtb rtd rte rtk rtr rts rtt saa sab sad sae sak sar sas sat sba sbb sbd sbe sbk sbr sbs sbt sda sdb sdd sde sdk sdr sds sdt se- sea seb sed see sek ser ses set sk- ska skb skd ske skk skr sks skt sr- sra srb srd sre srk srr srs srt ss- ssa ssb ssd sse ssk ssr sss sst sta stb std ste stk str sts stt taa tab tad tae tak tar tas tat tba tbb tbd tbe tbk tbr tbs tbt tda tdb tdd tde tdk tdr tds tdt te- tea teb ted tee tek ter tes tet tka tkb tke tkk tkr tks tkt tra trb trd tre trk trr trs trt tsa tsb tsd tse tsk tsr tss tst tta ttb ttd tte ttk ttr tts ttt

-ase a-ak a-be aaaa aaab aaad aaae aaar aaas aaba aabb aabd aabt aada aade aads aadt aaea aaes aaka aake aara aard aare aars aart aasa aasd aase aass aast aata aatk aatt abaa abab abad abae abak abar abas abat abb- abba abbb abbe abbr abbs abbt abda abed abee aber abes abet abra abrs abs- absa absd abse abss abta abts adaa adab adad adae adak adar adas adat adba adda addd adde addr adds adea adeb adee ader ades adet adra adre adrs adsa adsr adss adst adta adts aeas aebs aede aedt aeer aeka aer- aera aerd aers aesd aess aest aeta aetr aett akaa akae akar akas aked akee aker akes akka akr- akra akre aksa akst akte arab arad arae arak arar aras arat arba arbe arbs arda arde ards area ared aree arek ares aret arka arke arks arr- arra arre arrk arrr arrs arrt ars- arsa arsd arse arsk arst arta arte artr arts asaa asab asad asae asak asar asas asat asba asda asde asds asea asee asek aser ases aset aska aske askr asks askt asra asrs assa assd asse assk assr asss asst asta astb aste astr asts at-t ataa atab atad atae atak atar atas atat atbs atdt atea ated atee ater ates atka atkt atra atre atrk atsb atse atst atta atte attr atts baaa baad baak baar baas baat baba babb babe babr babs bada badb badd bade badr bads baed baek baer baes bak- baka bake bakr baks bakt bar- bara barb bard bare bark barr bars bart basa base bask bass bast bata bate bats batt bbad bbas bbbb bbbs bbdd bbeb bbet bd-r bdes bdsd bead beak bear beas beat beba bebb bebe beda bede beds beeb beed beek beer bees beet beka beke beks bera berd bere berk berr bers bert bes- besa bese besk bess best beta bete bets bett brab brad brae brak bras brat brda brds brdt brea breb bred bree brek brer bres bret brka brkb brrr brrs brsb brsr brst bsaa bsas bsat bsbd bsea bseb bsed bsee bser bses bset bskt bsra bsrd bssd bsse bsts btaa btdt btek btrt btss bttb daab daad daae daar daas daba dabb dabs dabt dada dade dads daeb daer daka dake daks dara darb dard dare dark darr dars dart dasa dasb dasd dase dask dass dast data date datr dats datt dbar dbas dbrs dbsa dbss dbtt dddd ddes ddre ddss ddts dead deae deak dear deas deba debe debs debt deda dedd dede deeb deed deek deer dees deet dek- deka deke deks der- dera derb dere derk derr ders des- desa dese desk dess dest deta dete detk detr dets dkba draa drab drad drak drar dras drat drba drda drea dred dree drek dres dret drra drrs drsa dsba dsda dsdr dsea dsrr dssa dsst dsts dtaa