-er a-a a-b a-i a-t aaa aab aae aaf aag aai aar aas aat ab- aba abb abe abf abg abi abr abs abt aea aeb aee aef aeg aei aer aes aet af- afa afb afe aff afg afi afr afs aft ag- aga agb age agf agg agi agr ags agt ai- aia aib aie aif aig aii air ais ait ar- ara arb are arf arg ari arr ars art as- asa asb ase asf asg asi asr ass ast at- ata atb ate atf atg ati atr ats att baa bab bae baf bag bai bar bas bat bba bbb bbe bbf bbg bbi bbr bbs bbt be- bea beb bee bef beg bei ber bes bet bfa bfb bfe bff bfg bfi bfr bfs bft bga bgb bge bgf bgg bgi bgr bgs bgt bi- bia bib bie bif big bii bir bis bit bra brb bre brf brg bri brr brs brt bsa bsb bse bsf bsg bsi bsr bss bst bta btb bte btf btg bti btr bts btt eaa eab eae eaf eag eai ear eas eat eba ebb ebe ebf ebg ebi ebr ebs ebt eea eeb eee eef eeg eer ees eet ef- efa efb efe eff efg efi efr efs eft ega egb ege egf egg egi egr egs egt eia eib eie eif eig eii eir eis eit era erb ere erf erg eri err ers ert es- esa esb ese esf esg esi esr ess est eta etb ete etf etg eti etr ets ett faa fab fae faf fag fai far fas fat fba fbb fbe fbf fbg fbi fbr fbs fbt fea feb fee fef feg fei fer fes fet ffa ffe fff ffg ffi ffr ffs fft fga fgb fge fgf fgg fgi fgr fgs fgt fia fib fie fif fig fii fir fis fit fra frb fre frf frg fri frr frs frt fsa fsb fse fsf fsg fsi fsr fss fst fta ftb fte ftf ftg fti ftr fts ftt gaa gab gae gaf gag gai gar gas gat gba gbe gbf gbg gbi gbr gbs gbt ge- gea geb gee gef geg gei ger ges get gfa gfb gfe gff gfi gfr gfs gft gga ggb ggg ggi ggr ggs ggt gia gib gie gif gig gii gir gis git gra grb gre grf grg gri grr grs grt gsa gsb gse gsf gsg gsi gsr gss gst gta gtb gte gtf gtg gti gtr gts gtt i-f ia- iaa iab iae iaf iag iai iar ias iat iba ibb ibe ibf ibg ibi ibr ibs ibt ie- iea iee ief ieg iei ier ies iet ifa ifb ife iff ifg ifi ifr ifs ift iga igb ige igf igg igi igr igs igt iia iib iie iif iii iir iis iit ir- ira irb ire irf irg iri irr irs irt is- isa isb ise isf isg isi isr iss ist ita itb ite itf itg iti its itt ra- raa rab rae raf rag rai rar ras rat rba rbb rbe rbf rbg rbi rbr rbs rbt re- rea reb ree ref reg rei rer res ret rfa rfb rfe rff rfg rfi rfr rfs rft rga rgb rge rgf rgg rgi rgr rgs rgt ria rib rie rif rig rii rir ris rit rra rrb rrf rrg rri rrr rrs rrt rsa rsb rse rsf rsg rsi rsr rss rst rta rtb rte rtf rtg rti rtr rts rtt saa sab sae saf sag sai sar sas sat sba sbb sbe sbf sbg sbi sbr sbs sbt se- sea seb see sef seg sei ser ses set sfa sfb sfe sff sfg sfi sfr sfs sft sga sgb sge sgf sgg sgi sgr sgs sgt sia sib sie sif sig sii sir sis sit sr- sra srb sre srf srg sri srr srs srt ss- ssa ssb sse ssf ssg ssi ssr sss sst sta stb ste stf stg sti str sts stt taa tab tae taf tag tai tar tas tat tba tbb tbe tbf tbg tbi tbr tbs tbt te- tea teb tee tef teg tei ter tes tet tfa tfb tfe tff tfg tfi tfr tfs tft tga tgb tge tgf tgg tgi tgr tgs tgt tia tib tie tif tig tii tir tis tit tra trb tre trf trg tri trr trs trt tsa tsb tse tsf tsg tsi tsr tss tst tta ttb tte ttf ttg tti ttr tts ttt

-ase a-be a-ii aaaa aaab aaae aaaf aaai aaar aaas aaba aabb aabi aabt aaea aaes aafa aafb aaff aafi aage aaib aaii aais aara aare aari aars aart aasa aase aasf aasi aass aast aata aatf aatt abaa abab abae abaf abag abai abar abas abat abb- abba abbb abbe abbi abbr abbs abbt abee aber abes abet abff abia abib abie abig abir abis abit abra abri abrs abs- absa abse absf absi abss abta abts aeaf aeas aebi aebs aeer aega aeit aer- aera aeri aers aess aest aeta aetf aetr aett afaa afar afat afbs afee afer afes afet affa affi affs afft afgf afia afib afif afig afir afis afit afr- afra afre afri afrs afsa afsb afst afta afte afts agag agai agar agas agat agba agea agee agei ager ages aget agfa agga agge aggi agia agib agie agig agii agir agis agit agra agre agri agsa agsg agst agta agte agtr agts aiai aias aiba aiea aiee aiet aiff aifs aiga aiia aiib aiir aira aire airi airs airt aisa aisb aise aisg aisi aisr aist aita aite aitf aiti aitr aits aitt arab arae araf arag arai arar aras arat arba arbe arbi arbs area aree aref areg arei ares aret arfa arfb arff arfs arft arga argb arge argi args aria arib arie arif arig arii aris arit arr- arra arre arrg arri arrr arrs arrt ars- arsa arse arsi arst arta arte arti artr arts asaa asab asae asaf asag asai asar