-er a-a a-b a-i a-t aaa aab aad aae aaf aai aar aas aat ab- aba abb abd abe abf abi abr abs abt ad- ada adb add ade adf adi adr ads adt aea aeb aed aee aef aei aer aes aet af- afa afb afd afe aff afi afr afs aft ai- aia aib aid aie aif aii air ais ait ar- ara arb ard are arf ari arr ars art as- asa asb asd ase asf asi asr ass ast at- ata atb atd ate atf ati atr ats att baa bab bad bae baf bai bar bas bat bba bbb bbd bbe bbf bbi bbr bbs bbt bda bdb bdd bde bdf bdi bdr bds bdt be- bea beb bed bee bef bei ber bes bet bfa bfb bfd bfe bff bfi bfr bfs bft bi- bia bib bid bie bif bii bir bis bit bra brb brd bre brf bri brr brs brt bsa bsb bsd bse bsf bsi bsr bss bst bta btb btd bte btf bti btr bts btt daa dab dad dae daf dai dar das dat dba dbb dbd dbe dbf dbi dbr dbs dbt dda ddb ddd dde ddf ddi ddr dds ddt de- dea deb ded dee def dei der des det dfa dfb dfd dfe dff dfi dfr dfs dft di- dia dib did die dif dii dir dis dit dra drb drd dre dri drr drs drt dsa dsb dsd dse dsf dsi dsr dss dst dta dtb dtd dte dtf dti dtr dts dtt eaa eab ead eae eaf eai ear eas eat eba ebb ebd ebe ebf ebi ebr ebs ebt ed- eda edb edd ede edf edi edr eds edt eea eeb eed eee eef eer ees eet ef- efa efb efd efe eff efi efr efs eft eia eib eid eie eif eii eir eis eit era erb erd ere erf eri err ers ert es- esa esb esd ese esf esi esr ess est eta etb etd ete etf eti etr ets ett faa fab fad fae faf fai far fas fat fba fbb fbd fbe fbf fbi fbr fbs fbt fda fdb fdd fde fdf fdi fdr fds fdt fea feb fed fee fef fei fer fes fet ffa ffd ffe fff ffi ffr ffs fft fia fib fid fie fif fii fir fis fit fra frb frd fre frf fri frr frs frt fsa fsb fsd fse fsf fsi fsr fss fst fta ftb ftd fte ftf fti ftr fts ftt i-d i-f ia- iaa iab iad iae iaf iai iar ias iat iba ibb ibd ibe ibf ibi ibr ibs ibt ida idb idd ide idf idi idr ids idt ie- iea ied iee ief iei ier ies iet ifa ifb ifd ife iff ifi ifr ifs ift iia iib iid iie iif iii iir iis iit ir- ira irb ird ire irf iri irr irs irt is- isa isb isd ise isf isi isr iss ist ita itb itd ite itf iti its itt ra- raa rab rad rae raf rai rar ras rat rba rbb rbd rbe rbf rbi rbr rbs rbt rda rdb rdd rde rdf rdi rdr rds rdt re- rea reb red ree ref rei rer res ret rfa rfb rfd rfe rff rfi rfr rfs rft ria rib rid rie rif rii rir ris rit rra rrb rrd rrf rri rrr rrs rrt rsa rsb rsd rse rsf rsi rsr rss rst rta rtb rtd rte rtf rti rtr rts rtt saa sab sad sae saf sai sar sas sat sba sbb sbd sbe sbf sbi sbr sbs sbt sda sdb sdd sde sdf sdi sdr sds sdt se- sea seb sed see sef sei ser ses set sfa sfb sfd sfe sff sfi sfr sfs sft sia sib sid sie sif sii sir sis sit sr- sra srb srd sre srf sri srr srs srt ss- ssa ssb ssd sse ssf ssi ssr sss sst sta stb std ste stf sti str sts stt taa tab tad tae taf tai tar tas tat tba tbb tbd tbe tbf tbi tbr tbs tbt tda tdb tdd tde tdf tdi tdr tds tdt te- tea teb ted tee tef tei ter tes tet tfa tfb tfd tfe tff tfi tfr tfs tft tia tib tid tie tif tii tir tis tit tra trb trd tre trf tri trr trs trt tsa tsb tsd tse tsf tsi tsr tss tst tta ttb ttd tte ttf tti ttr tts ttt

-ase a-be a-ii aaaa aaab aaad aaae aaaf aaai aaar aaas aaba aabb aabd aabi aabt aada aade aadi aads aadt aaea aaes aafa aafb aafd aaff aafi aaib aaii aais aara aard aare aari aars aart aasa aasd aase aasf aasi aass aast aata aatf aatt abaa abab abad abae abaf abai abar abas abat abb- abba abbb abbe abbi abbr abbs abbt abda abdi abed abee aber abes abet abff abia abib abid abie abir abis abit abra abri abrs abs- absa absd abse absf absi abss abta abts adaa adab adad adae adai adar adas adat adba adbi adda addd adde addi addr adds adea adeb adee ader ades adet adfa adfs adia adib adie adif adir adis adit adra adre adrs adsa adsi adsr adss adst adta adts aeaf aeas aebi aebs aede aedt aeer aeit aer- aera aerd aeri aers aesd aess aest aeta aetf aetr aett afaa afad afar afat afbs afdb afee afer afes afet affa affi affs afft afia afib afid afif afir afis afit afr- afra afre afri afrs afsa afsb afst afta afte afts aiai aias aiba aida aidb aide aidi aidr aids aidt aiea aiee aiet aifd aiff aifs aiia aiib aiid aiir aira aird aire airi airs airt aisa aisb aisd aise aisi aisr aist aita aite aitf aiti aitr aits aitt arab arad arae araf arai arar aras arat arba arbe arbi arbs arda arde ardf ardi ards area ared aree aref arei