-ic a-a a-c a-i a-t aaa aac aag aai aao aar aas aat ac- aca acc acg aci aco acr acs act ag- aga agc agg agi ago agr ags agt ai- aia aic aig aii aio air ais ait aoa aoc aog aoi aoo aor aos aot ar- ara arc arg ari aro arr ars art as- asa asc asg asi aso asr ass ast at- ata atc atg ati ato atr ats att c-- caa cac cag cai cao car cas cat cca ccc ccg cci cco ccr ccs cct cga cgc cgg cgi cgo cgr cgs cgt ci- cia cic cig cii cio cir cis cit co- coa coc cog coi coo cor cos cot cra crc crg cri cro crr crs crt csa csc csg csi cso csr css cst cta ctc ctg cti cto ctr cts ctt gaa gac gag gai gao gar gas gat gca gcc gcg gci gco gcr gcs gct gga ggc ggg ggi ggo ggr ggs ggt gia gic gig gii gio gir gis git goa goc gog goi goo gor gos got gra grc grg gri gro grr grs grt gsa gsc gsg gsi gso gsr gss gst gta gtc gtg gti gto gtr gts gtt ia- iaa iac iag iai iao iar ias iat ica icc icg ici ico icr ics ict iga igc igg igi igo igr igs igt iia iic iii iio iir iis iit io- ioa ioc iog ioi ioo ior ios iot ir- ira irc irg iri iro irr irs irt is- isa isc isg isi iso isr iss ist ita itc itg iti ito its itt o-i oaa oac oag oai oao oar oas oat oc- oca occ ocg oci oco ocr ocs oct oga ogc ogg ogi ogo ogs ogt oia oic oii oio oir ois oit oo- ooa ooc oog ooi ooo oor oos oot or- ora orc org ori oro orr ors ort os- osa osc osg osi oso osr oss ost ot- ota otc otg oti oto otr ots ott ra- raa rac rag rai rao rar ras rat rca rcc rcg rci rco rcr rcs rct rga rgc rgg rgi rgo rgr rgs rgt ria ric rig rii rio rir ris rit roa roc rog roi roo ror ros rot rra rrc rrg rri rrr rrs rrt rsa rsc rsg rsi rso rsr rss rst rta rtc rtg rti rto rtr rts rtt saa sac sag sai sao sar sas sat sca scc scg sci sco scr scs sct sga sgc sgg sgi sgo sgr sgs sgt sia sic sig sii sio sir sis sit soa soc sog soi soo sor sos sot sr- sra src srg sri sro srr srs srt ss- ssa ssc ssg ssi sso ssr sss sst sta stc stg sti sto str sts stt taa tac tag tai tao tar tas tat tca tcc tcg tci tco tcr tcs tct tga tgc tgg tgi tgo tgr tgs tgt tia tic tig tii tio tir tis tit to- toa toc tog toi too tor tos tot tra trc trg tri tro trr trs trt tsa tsc tsg tsi tso tsr tss tst tta ttc ttg tti tto ttr tts ttt

a-ii aaaa aaac aaai aaar aaas aaca aacc aaci aaco aacr aacs aact aaic aaii aais aaoo aara aarc aari aaro aars aart aasa aasc aasi aass aast aata aatc aatt ac-t acaa acac acag acai acar acas acat acca accc acci acco accs acct acga acgi acgr acgs aci- acia acic acir acis acoa acog acor acos acot acr- acra acrc acri acro acrr acrs acsa acsc acsi acss acst acta actc actg acti acto acts actt ag-o agac agag agai agao agar agas agat agca agcc agco agct agga aggi agia agic agig agii agio agir agis agit agog agoo agos agot agra agri agro agsa agsg agst agta agtr agts aiai aias aica aicc aicr aics aiga aigo aiia aiic aiir aioc aioi aira airi airo airs airt aisa aisg aisi aiso aisr aist aita aiti aitr aits aitt aoca aocs aora aors aort aoss aotc arac arag arai arar aras arat arc- arca arci arco arcs arct arga argi argo args aria arig arii ario aris arit aroa aroi aroo aror aros arr- arra arrc arrg arri arro arrr arrs arrt ars- arsa arsc arsi arso arst arta artc arti arto artr arts asaa asac asag asai asao asar asas asat asc- asca ascc asci asco ascr asct asgt asia asic asii asio asir asis asit asoc asog asoi asor asos asot asra asrc asrg asro asrs assa assc assi asso assr asss asst asta astc asti asto astr asts at-t ataa atac atai atar atas atat atca atcc atco atcr atcs atgo atia atic atis atit atoc atoi ator atos atot atra atrc atri atro atsc atsi atst atta atti atto attr atts caaa caac caas caat cac- caca cacc caci caco cacr caga cagg cagi cago cagr cags caia caic caio cair cais cait caoi caor caos cara carc cari caro carr cars cart casa casc casi caso casr cass cast cat- cata catc cati cato cats catt ccaa ccac ccag ccai ccar ccas ccat ccca cccc ccci cccs ccga ccgc ccgs ccgt ccic ccii ccir ccis ccoc ccra ccrc ccrg ccri ccrs ccrt ccsa ccsg ccsi ccss ccst cctc cctt cgac cgas cgcc cgcg cggs cgis cgro cgss cgst ciaa ciao ciar cias ciat cica cicc cici cico cicr cics cict ciga cigi cigs ciia ciii ciis ciit cior cios cira circ ciri ciro cirr cirs cirt cis- cisa cisc cisr ciss cist cita citg citi cito cits citt coag coai coas coat coca coco coct cogi cogo cogs coia coir cois coit coos coot cor- cora corc corg cori coro corr cors cort cosa cosc cosi coso coss cost cota cotc coti coto cots cott crac crag crai crar cras crat crca crcc crcr crgs cria cric crig cris crit croc croo cror crot crrt crsa crss