a-a a-c aaa aac aaf aag aao aar aas ac- aca acc acf acg aco acr acs af- afa afc aff afg afo afr afs ag- aga agc agf agg ago agr ags aoa aoc aof aog aoo aor aos ar- ara arc arf arg aro arr ars as- asa asc asf asg aso asr ass c-- caa cac caf cag cao car cas cca ccc ccf ccg cco ccr ccs cfa cfc cff cfg cfo cfr cfs cga cgc cgg cgo cgr cgs co- coa coc cof cog coo cor cos cra crc crf crg cro crr crs csa csc csf csg cso csr css faa fac faf fag fao far fas fca fcc fcf fcg fco fcr fcs ffa ffc fff ffg ffo ffr ffs fga fgc fgf fgg fgr fgs foa foc fof fog foo for fos fra frc frf frg fro frr frs fsa fsc fsf fsg fso fsr fss gaa gac gaf gag gao gar gas gca gcc gcf gcg gco gcr gcs gfa gfc gff gfo gfr gfs gga ggc ggg ggo ggr ggs goa goc gof gog goo gor gos gra grc grf grg gro grr grs gsa gsc gsf gsg gso gsr gss oaa oac oaf oag oao oar oas oc- oca occ ocf ocg oco ocr ocs of- ofa ofc off ofg ofo ofr ofs oga ogc ogf ogg ogo ogs oo- ooa ooc oof oog ooo oor oos or- ora orc orf org oro orr ors os- osa osc osf osg oso osr oss ra- raa rac raf rag rao rar ras rca rcc rcf rcg rco rcr rcs rfa rfc rff rfg rfo rfr rfs rga rgc rgf rgg rgo rgr rgs roa roc rof rog roo ror ros rra rrc rrf rrg rrr rrs rsa rsc rsf rsg rso rsr rss saa sac saf sag sao sar sas sca scc scf scg sco scr scs sfa sfc sff sfg sfo sfr sfs sga sgc sgf sgg sgo sgr sgs soa soc sof sog soo sor sos sr- sra src srf srg sro srr srs ss- ssa ssc ssf ssg sso ssr sss

aaaa aaac aaaf aaar aaas aaca aacc aacf aaco aacr aacs aafa aafc aaff aaoo aara aarc aaro aars aasa aasc aasf aass acaa acac acag acar acas acca accc accf acco accs acfc acfs acga acgr acgs acoa acog acor acos acr- acra acrc acro acrr acrs acsa acsc acss afaa afao afar afca afcc afcs affa affc affo affs afgf afoa afog afoo afor afr- afra afrc afro afrs afsa afsc ag-o agac agag agao agar agas agca agcc agco agfa agga agog agoo agos agra agro agsa agsg aoca aocs aora aors aoss arac araf arag arar aras arc- arca arco arcs arfa arfc arff arfs arga argo args aroa aroo aror aros arr- arra arrc arrg arro arrr arrs ars- arsa arsc arso asaa asac asaf asag asao asar asas asc- asca ascc asco ascr asfa asoc asof asog asor asos asra asrc asrg asro asrs assa assc asso assr asss caaa caac caaf caas cac- caca cacc caco cacr cafa cafc caff cafs caga cagg cago cagr cags caor caos cara carc carf caro carr cars casa casc caso casr cass ccaa ccac ccaf ccag ccar ccas ccca cccc cccf cccs ccfa ccfc ccff ccga ccgc ccgs ccoc ccra ccrc ccrf ccrg ccrs ccsa ccsf ccsg ccss cfaa cfac cfao cfar cfca cfcf cfco cfcs cffr cfgo cfgs cfoa cfor cfos cfra cfrg cfsa cfsg cgac cgas cgcc cgcg cgfc cggs cgro cgss coag coas coca coco cofc coff cofs cogo cogs coof coos cor- cora corc corf corg coro corr cors cosa cosc coso coss crac craf crag crar cras crca crcc crcr crfc crfs crgs croc croo cror crsa crss csaa csac csao csar csas cscc cscf csco cscr cscs csfc csfr csor csos csra csrc csrs cssa cssr faaa faac faas faca facc facs fafa fafc faff fafg fafo fagg fago fags fara farc farg faro farr fars fasa fasc faso fass fcar fcas fcca fccf fcgs fcra fcsc ffar ffcc ffff ffrr ffsa ffss fgcs foaf foar foca foco focs fofo fogg fogo fogs foof foos for- fora forg foro forr fors fosa foso foss frac frag fras frcc frfc frog fros frsc frso fsas fscc fsfo fsgs fsra fssa fssc fssf gaar gaas gafa gafc gaff gaga gagg gago gags gaos gara garf garg garo garr gars gasa gasc gaso gasr gass gc-c gcaa gccc gccf gccs gcfc gcoa gcos gcrg gcss gfcf gffa gfoa gfor ggfg gggg ggss goaf goar goas goca gocr goff gofr goga gogo gogs goof goog goor goos gora gorf gorg goro gorr gors goso goss grac graf gras grcc grfa groc grof grog groo gror gros grrr grrs grss gsfc gsoc gsos oafc oafo oafs oara oars oasc oass ocac ocas occa occc ocfa ocga ocos ocra ocro ocrr ocrs ocsa ofas ofcr off- offa offc offo offr offs ofgo ofor ofra ogar ogfr ogoa ogog ogra ogro ooaa oocr ooff oofs oooo ooos oora oosa orac orao orar oras orca orco orcs orff orfs orga orgo orgs oro- orof oror oros orra orro orrs orsa orso osaf osag osar osas osca oscc osco osfa osoo osor osos osro ossa osso raaf raag raas rac- raca racc raco racs rafa rafc raff raga ragg rago rags raoc raos rara rarf raro rars rasa rasc raso rass rcac rcaf rcas rccc rccs rcfc rcga rcgc rcos rcrg rcsa rcsc rcss rffc rfgs roaf roag roar roas roca rocc roco rocs rofc roff rofo roga rogg rogo roof roog roor roos rora rorc roro rosa rosc roso ross rras rrfc rrrr rsaa rsaf rscc rscs rsfc rsgc rsos rssa s-os sa-c saac saaf saag saar saas saca sacc saco sacr sacs safa safc saff safo safr saga sagg sago sags saor saos sara sarc sarf sarg saro sarr sars sasa sasc sasf saso sass scaa scac scaf scag scar scas sccc sccs