-er -ic a-a a-c a-i a-t aaa aac aae aag aai aar aas aat ac- aca acc ace acg aci acr acs act aea aec aee aeg aei aer aes aet ag- aga agc age agg agi agr ags agt ai- aia aic aie aig aii air ais ait ar- ara arc are arg ari arr ars art as- asa asc ase asg asi asr ass ast at- ata atc ate atg ati atr ats att c-- caa cac cae cag cai car cas cat cca ccc cce ccg cci ccr ccs cct ce- cea cec cee ceg cei cer ces cet cga cgc cge cgg cgi cgr cgs cgt ci- cia cic cie cig cii cir cis cit cra crc cre crg cri crr crs crt csa csc cse csg csi csr css cst cta ctc cte ctg cti ctr cts ctt eaa eac eae eag eai ear eas eat ec- eca ecc ece ecg eci ecr ecs ect eea eec eee eeg eer ees eet ega egc ege egg egi egr egs egt eia eic eie eig eii eir eis eit era erc ere erg eri err ers ert es- esa esc ese esg esi esr ess est eta etc ete etg eti etr ets ett gaa gac gae gag gai gar gas gat gca gcc gce gcg gci gcr gcs gct ge- gea gec gee geg gei ger ges get gga ggc ggg ggi ggr ggs ggt gia gic gie gig gii gir gis git gra grc gre grg gri grr grs grt gsa gsc gse gsg gsi gsr gss gst gta gtc gte gtg gti gtr gts gtt ia- iaa iac iae iag iai iar ias iat ica icc ice icg ici icr ics ict ie- iea iec iee ieg iei ier ies iet iga igc ige igg igi igr igs igt iia iic iie iii iir iis iit ir- ira irc ire irg iri irr irs irt is- isa isc ise isg isi isr iss ist ita itc ite itg iti its itt ra- raa rac rae rag rai rar ras rat rca rcc rce rcg rci rcr rcs rct re- rea rec ree reg rei rer res ret rga rgc rge rgg rgi rgr rgs rgt ria ric rie rig rii rir ris rit rra rrc rrg rri rrr rrs rrt rsa rsc rse rsg rsi rsr rss rst rta rtc rte rtg rti rtr rts rtt saa sac sae sag sai sar sas sat sca scc sce scg sci scr scs sct se- sea sec see seg sei ser ses set sga sgc sge sgg sgi sgr sgs sgt sia sic sie sig sii sir sis sit sr- sra src sre srg sri srr srs srt ss- ssa ssc sse ssg ssi ssr sss sst sta stc ste stg sti str sts stt taa tac tae tag tai tar tas tat tca tcc tce tcg tci tcr tcs tct te- tea tec tee teg tei ter tes tet tga tgc tge tgg tgi tgr tgs tgt tia tic tie tig tii tir tis tit tra trc tre trg tri trr trs trt tsa tsc tse tsg tsi tsr tss tst tta ttc tte ttg tti ttr tts ttt

-ase a-ii aaaa aaac aaae aaai aaar aaas aaca aacc aace aaci aacr aacs aact aaea aaec aaes aage aaic aaii aais aara aarc aare aari aars aart aasa aasc aase aasi aass aast aata aatc aatt ac-t acaa acac acae acag acai acar acas acat acca accc acce acci accs acct ace- acea acec acer aces acet acga acgi acgr acgs aci- acia acic acie acir acis acr- acra acrc acre acri acrr acrs acsa acsc acse acsi acss acst acta actc acte actg acti acts actt aeac aeas aeci aect aeer aega aeit aer- aera aerc aeri aers aesc aess aest aeta aetc aetr aett agac agag agai agar agas agat agca agcc agce agct agea agee agei ager ages aget agga agge aggi agia agic agie agig agii agir agis agit agra agre agri agsa agsg agst agta agte agtr agts aiai aias aica aicc aice aicr aics aiea aiee aiet aiga aiia aiic aiir aira aire airi airs airt aisa aise aisg aisi aisr aist aita aite aiti aitr aits aitt arac arae arag arai arar aras arat arc- arca arce arci arcs arct area arec aree areg arei ares aret arga arge argi args aria arie arig arii aris arit arr- arra arrc arre arrg arri arrr arrs arrt ars- arsa arsc arse arsi arst arta artc arte arti artr arts asaa asac asae asag asai asar asas asat asc- asca ascc asce asci ascr asct asea asec asee aser ases aset asge asgt asia asic asie asii asir asis asit asra asrc asrg asrs assa assc asse assi assr asss asst asta astc aste asti astr asts at-t ataa atac atae atai atar atas atat atca atcc atcr atcs atea atec atee atei ater ates atia atic atie atis atit atra atrc atre atri atsc atse atsi atst atta atte atti attr atts caaa caac caas caat cac- caca cacc cace caci cacr caec caei caer caes caga cage cagg cagi cagr cags caia caic cair cais cait cara carc care cari carr cars cart casa casc case casi casr cass cast cat- cata catc cate cati cats catt ccaa ccac ccag ccai ccar ccas ccat ccca cccc ccci cccs ccee ccga ccgc ccgs ccgt ccic ccii ccir ccis ccra ccrc ccre ccrg ccri ccrs ccrt ccsa ccsg ccsi ccss ccst cctc cctt ceac cear ceas ceat cec- ceca cece ceci cecs cect ceec cees cege cer- cera cerc cere ceri cers cert cesa cesc cese cesg cesi cesr cess cest cet- ceta cete ceti cets cgac cgas cgcc cgcg cger cges cggs cgis cgss cgst ciaa ciar cias ciat cica cicc cici cicr cics cict ciee cier cies ciga cigi cigs ciia ciii ciis ciit cira circ cire ciri cirr cirs cirt cis- cisa cisc cise cisr ciss