-er a-a a-b a-t aaa aab aad aae aaf aak aar aas aat ab- aba abb abd abe abf abk abr abs abt ad- ada adb add ade adf adk adr ads adt aea aeb aed aee aef aek aer aes aet af- afa afb afd afe aff afk afr afs aft aka akb akd ake akk akr aks ar- ara arb ard are arf ark arr ars art as- asa asb asd ase asf ask asr ass ast at- ata atb atd ate atf atr ats att baa bab bad bae baf bak bar bas bat bba bbb bbd bbe bbf bbk bbr bbs bbt bda bdb bdd bde bdf bdk bdr bds bdt be- bea beb bed bee bef bek ber bes bet bfa bfb bfd bfe bff bfr bfs bft bka bkb bke bkf bkk bkr bks bkt bra brb brd bre brf brk brr brs brt bsa bsb bsd bse bsf bsk bsr bss bst bta btb btd bte btf btk btr bts btt daa dab dad dae daf dak dar das dat dba dbb dbd dbe dbf dbk dbr dbs dbt dda ddb ddd dde ddf ddk ddr dds ddt de- dea deb ded dee def dek der des det dfa dfb dfd dfe dff dfk dfr dfs dft dka dkb dke dkk dkr dks dkt dra drb drd dre drk drr drs drt dsa dsb dsd dse dsf dsk dsr dss dst dta dtb dtd dte dtf dtk dtr dts dtt eaa eab ead eae eaf eak ear eas eat eba ebb ebd ebe ebf ebk ebr ebs ebt ed- eda edb edd ede edf edk edr eds edt eea eeb eed eee eef eek eer ees eet ef- efa efb efd efe eff efr efs eft eka ekb ekd eke ekf ekr eks ekt era erb erd ere erf erk err ers ert es- esa esb esd ese esf esk esr ess est eta etb etd ete etf etk etr ets ett faa fab fad fae faf fak far fas fat fba fbb fbd fbe fbf fbk fbr fbs fbt fda fdb fdd fde fdf fdk fdr fds fdt fea feb fed fee fef fek fer fes fet ffa ffd ffe fff ffk ffr ffs fft fka fkb fkf fkk fkt fra frb frd fre frf frk frr frs frt fsa fsb fsd fse fsf fsk fsr fss fst fta ftb ftd fte ftf ftk ftr fts ftt k-t ka- kaa kab kad kae kaf kak kar kas kat kba kbb kbd kbe kbf kbk kbr kbs kda kdb kde kdf kdk kdr kds kdt ke- kea keb ked kee kef kek ker kes ket kfa kfd kff kfs kkb kke kkk kkr kks kkt kra krd krf krk krr krs krt ksa ksb ksd kse ksf ksk ksr kss kst kta ktb kte ktf ktk ktr kts ktt ra- raa rab rad rae raf rak rar ras rat rba rbb rbd rbe rbf rbk rbr rbs rbt rda rdb rdd rde rdf rdr rds rdt re- rea reb red ree ref rek rer res ret rfa rfb rfd rfe rff rfk rfr rfs rft rkb rke rkf rkk rks rkt rra rrb rrd rrf rrk rrr rrs rrt rsa rsb rsd rse rsf rsk rsr rss rst rta rtb rtd rte rtf rtk rtr rts rtt saa sab sad sae saf sak sar sas sat sba sbb sbd sbe sbf sbk sbr sbs sbt sda sdb sdd sde sdf sdk sdr sds sdt se- sea seb sed see sef sek ser ses set sfa sfb sfd sfe sff sfk sfr sfs sft sk- ska skb skd ske skf skk skr sks skt sr- sra srb srd sre srf srk srr srs srt ss- ssa ssb ssd sse ssf ssk ssr sss sst sta stb std ste stf stk str sts stt taa tab tad tae taf tak tar tas tat tba tbb tbd tbe tbf tbk tbr tbs tbt tda tdb tdd tde tdf tdk tdr tds tdt te- tea teb ted tee tef tek ter tes tet tfa tfb tfd tfe tff tfk tfr tfs tft tka tkb tke tkk tkr tks tkt tra trb trd tre trf trk trr trs trt tsa tsb tsd tse tsf tsk tsr tss tst tta ttb ttd tte ttf ttk ttr tts ttt

-ase a-ak a-be aaaa aaab aaad aaae aaaf aaar aaas aaba aabb aabd aabt aada aade aads aadt aaea aaes aafa aafb aafd aaff aaka aake aara aard aare aars aart aasa aasd aase aasf aass aast aata aatf aatk aatt abaa abab abad abae abaf abak abar abas abat abb- abba abbb abbe abbr abbs abbt abda abed abee aber abes abet abff abra abrs abs- absa absd abse absf abss abta abts adaa adab adad adae adak adar adas adat adba adda addd adde addr adds adea adeb adee ader ades adet adfa adfs adra adre adrs adsa adsr adss adst adta adts aeaf aeas aebs aede aedt aeer aeka aer- aera aerd aers aesd aess aest aeta aetf aetr aett afaa afad afak afar afat afbs afdb afee afek afer afes afet affa affs afft afka afkr afr- afra afre afrs afsa afsb afst afta afte afts akaa akae akar akas aked akee aker akes akka akr- akra akre aksa akst akte arab arad arae araf arak arar aras arat arba arbe arbs arda arde ardf ards area ared aree aref arek ares aret arfa arfb arff arfs arft arka arke arks arr- arra arre arrk arrr arrs arrt ars- arsa arsd arse arsk arst arta arte artr arts asaa asab asad asae asaf asak asar asas asat asba asda asde asdf asds asea asee asek aser ases aset asfa 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 atef ater ates atfb atfe atfs atka atkt atra atre atrk atsb atse atst atta