-er -ic a-a a-c a-i a-t aaa aac aae aag aai aao aar aat ac- aca acc ace acg aci aco acr act aea aec aee aeg aei aeo aer aet ag- aga agc age agg agi ago agr agt ai- aia aic aie aig aii aio air ait aoa aoc aoe aog aoi aoo aor aot ar- ara arc are arg ari aro arr art at- ata atc ate atg ati ato atr att c-- caa cac cae cag cai cao car cat cca ccc cce ccg cci cco ccr cct ce- cea cec cee ceg cei ceo cer cet cga cgc cge cgg cgi cgo cgr cgt ci- cia cic cie cig cii cio cir cit co- coa coc coe cog coi coo cor cot cra crc cre crg cri cro crr crt cta ctc cte ctg cti cto ctr ctt eaa eac eae eag eai eao ear eat ec- eca ecc ece ecg eci eco ecr ect eea eec eee eeg eeo eer eet ega egc ege egg egi ego egr egt eia eic eie eig eii eio eir eit eo- eoa eoc eoe eog eoi eoo eor eot era erc ere erg eri ero err ert eta etc ete etg eti eto etr ett gaa gac gae gag gai gao gar gat gca gcc gce gcg gci gco gcr gct ge- gea gec gee geg gei geo ger get gga ggc ggg ggi ggo ggr ggt gia gic gie gig gii gio gir git goa goc goe gog goi goo gor got gra grc gre grg gri gro grr grt gta gtc gte gtg gti gto gtr gtt ia- iaa iac iae iag iai iao iar iat ica icc ice icg ici ico icr ict ie- iea iec iee ieg iei ier iet iga igc ige igg igi igo igr igt iia iic iie iii iio iir iit io- ioa ioc ioe iog ioi ioo ior iot ir- ira irc ire irg iri iro irr irt ita itc ite itg iti ito itt o-i oaa oac oae oag oai oao oar oat oc- oca occ ocg oci oco ocr oct oea oec oee oeg oei oeo oer oet oga ogc oge ogg ogi ogo ogt oia oic oie oii oio oir oit oo- ooa ooc oog ooi ooo oor oot or- ora orc ore org ori oro orr ort ot- ota otc ote otg oti oto otr ott ra- raa rac rae rag rai rao rar rat rca rcc rce rcg rci rco rcr rct re- rea rec ree reg rei reo rer ret rga rgc rge rgg rgi rgo rgr rgt ria ric rie rig rii rio rir rit roa roc roe rog roi roo ror rot rra rrc rrg rri rrr rrt rta rtc rte rtg rti rto rtr rtt taa tac tae tag tai tao tar tat tca tcc tce tcg tci tco tcr tct te- tea tec tee teg tei teo ter tet tga tgc tge tgg tgi tgo tgr tgt tia tic tie tig tii tio tir tit to- toa toc toe tog toi too tor tot tra trc tre trg tri tro trr trt tta ttc tte ttg tti tto ttr ttt

a-ii aaaa aaac aaae aaai aaar aaca aacc aace aaci aaco aacr aact aaea aaec aage aaic aaii aaoe aaoo aara aarc aare aari aaro aart aata aatc aatt ac-t acaa acac acae acag acai acar acat acca accc acce acci acco acct ace- acea acec acer acet acga acgi acgr aci- acia acic acie acir acoa acoe acog acor acot acr- acra acrc acre acri acro acrr acta actc acte actg acti acto actt aeac aeci aect aeer aega aeio aeit aer- aera aerc aeri aero aeta aetc aeto aetr aett ag-o agac agag agai agao agar agat agca agcc agce agco agct agea agee agei ager aget agga agge aggi agia agic agie agig agii agio agir agit agog agoo agot agra agre agri agro agta agte agtr aiai aica aicc aice aicr aiea aiee aiet aiga aigo aiia aiic aiir aioc aioi aira aire airi airo airt aita aite aiti aitr aitt aoca aoce aora aort aotc arac arae arag arai arar arat arc- arca arce arci arco arct area arec aree areg arei areo aret arga arge argi argo aria arie arig arii ario arit aroa aroe aroi aroo aror arr- arra arrc arre arrg arri arro arrr arrt arta artc arte arti arto artr at-t ataa atac atae atai atar atat atca atcc atco atcr atea atec atee atei ateo ater atgo atia atic atie atit atoc atoe atoi ator atot atra atrc atre atri atro atta atte atti atto attr caaa caac caat cac- caca cacc cace caci caco cacr caec caei caer caga cage cagg cagi cago cagr caia caic caio cair cait caoi caor cara carc care cari caro carr cart cat- cata catc cate cati cato catt ccaa ccac ccag ccai ccar ccat ccca cccc ccci ccee ccga ccgc ccgt ccic ccii ccir ccoc ccra ccrc ccre ccrg ccri ccrt cctc cctt ceac cear ceat cec- ceca cece ceci ceco cect ceec cege cego ceor cer- cera cerc cere ceri cero cert cet- ceta cete ceti ceto cgac cgcc cgcg cger cgro ciaa ciao ciar ciat cica cicc cici cico cicr cict ciee cier ciga cigi ciia ciii ciit cior cira circ cire ciri ciro cirr cirt cita cite citg citi cito citt coag coai coat coca coce coco coct cogi cogo coia coir coit coot cor- cora corc core corg cori coro corr cort cota cotc cote coti coto cott crac crag crai crar crat crca crcc crce crcr cre- crea crec cree creg crei creo cret cria cric crie crig crit croc croe croo cror crot crrt crtc ctae ctag ctca ctec ctge ctia ctic ctor ctot ctrc ctta eaca eacc eaec eaga eage eara eare earo eart eata eate eati ecaa ecac ecai ecao ecar ecat ecca eccc ecce ecci ecco ecct ecig ecit eco- ecog