a-a a-c aaa aac aaf aag aao aar aas aau ac- aca acc acf acg aco acr acs acu af- afa afc aff afg afo afr afs afu ag- aga agc agf agg ago agr ags agu aoa aoc aof aog aoo aor aos aou ar- ara arc arf arg aro arr ars aru as- asa asc asf asg aso asr ass asu au- aua auc auf aug auo aur aus c-- caa cac caf cag cao car cas cau cca ccc ccf ccg cco ccr ccs ccu cfa cfc cff cfg cfo cfr cfs cfu cga cgc cgg cgo cgr cgs cgu co- coa coc cof cog coo cor cos cou cra crc crf crg cro crr crs cru csa csc csf csg cso csr css csu cua cuc cuf cug cuo cur cus cuu faa fac faf fag fao far fas fau fca fcc fcf fcg fco fcr fcs fcu ffa ffc fff ffg ffo ffr ffs ffu fga fgc fgf fgg fgr fgs foa foc fof fog foo for fos fou fra frc frf frg fro frr frs fru fsa fsc fsf fsg fso fsr fss fsu fua fuf fug fuo fur fus fuu gaa gac gaf gag gao gar gas gau gca gcc gcf gcg gco gcr gcs gcu gfa gfc gff gfo gfr gfs gga ggc ggg ggo ggr ggs ggu goa goc gof gog goo gor gos gou gra grc grf grg gro grr grs gru gsa gsc gsf gsg gso gsr gss gsu gu- gua guc guf gug guo gur gus guu oaa oac oaf oag oao oar oas oau oc- oca occ ocf ocg oco ocr ocs ocu of- ofa ofc off ofg ofo ofr ofs ofu oga ogc ogf ogg ogo ogs oo- ooa ooc oof oog ooo oor oos or- ora orc orf org oro orr ors oru os- osa osc osf osg oso osr oss osu ou- oua ouc ouf ouo our ous ra- raa rac raf rag rao rar ras rau rca rcc rcf rcg rco rcr rcs rcu rfa rfc rff rfg rfo rfr rfs rfu rga rgc rgf rgg rgo rgr rgs roa roc rof rog roo ror ros rou rra rrc rrf rrg rrr rrs rru rsa rsc rsf rsg rso rsr rss rsu rua ruc ruf rug ruo rur rus ruu saa sac saf sag sao sar sas sau sca scc scf scg sco scr scs scu sfa sfc sff sfg sfo sfr sfs sfu sga sgc sgf sgg sgo sgr sgs sgu soa soc sof sog soo sor sos sou sr- sra src srf srg sro srr srs ss- ssa ssc ssf ssg sso ssr sss ssu sua suc suf sug suo sur sus suu ua- uaa uac uaf uag uao uar uas uau uca ucc ucf ucg uco ucr ucs ucu ufa ufc uff ufg ufo ufr ufs ufu uga ugc ugf ugg ugo ugr ugs ugu uoa uoc uog uoo uor uos ur- ura urc urf urg uro urr urs uru usa usc usf usg uso usr uss usu uua uuc uug uur uus uuu

-ous a-fu aaaa aaac aaaf aaar aaas aaca aacc aacf aaco aacr aacs aacu aafa aafc aaff aaoo aara aarc aaro aars aaru aasa aasc aasf aass aasu aaus acaa acac acag acar acas acca accc accf acco accs accu acfc acfs acga acgr acgs acoa acog acor acos acou acr- acra acrc acro acrr acrs acsa acsc acss acu- acuf acuo acur acus afaa afao afar afca afcc afcs afcu affa affc affo affs afgf afoa afog afoo afor afr- afra afrc afro afrs afru afsa afsc afua afus ag-o agac agag agao agar agas agau agca agcc agco agfa agga aggu agog agoo agos agou agra agro agsa agsg agsu agua agur agus aoca aocs aora aors aoss aouf aous arac araf arag arar aras arau arc- arca arco arcs arfa arfc arff arfs arfu arga argo args aroa aroo aror aros arr- arra arrc arrg arro arrr arrs arru ars- arsa arsc arso arsu arua arug asaa asac asaf asag asao asar asas asau asc- asca ascc asco ascr asfa asoc asof asog asor asos asou asra asrc asrg asro asrs asru assa assc asso assr asss assu asur asus auaa auca aufc aufs auga augs aur- aura auro ausa ausu auug caaa caac caaf caas cac- caca cacc caco cacr cafa cafc caff cafs cafu caga cagg cago cagr cags caor caos cara carc carf caro carr cars casa casc caso casr cass casu cauc cauf cauo caus ccaa ccac ccaf ccag ccar ccas ccca cccc cccf cccs cccu ccfa ccfc ccff ccga ccgc ccgs ccoc ccra ccrc ccrf ccrg ccrs ccsa ccsf ccsg ccss ccuc ccus 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 cocu cofc coff cofs cogo cogs coof coos cor- cora corc corf corg coro corr cors cosa cosc coso coss coua cour cous crac craf crag crar cras crau crca crcc crcr crfc crfs crgs croc croo cror crsa crss crug crus csaa csac csao csar csas cscc cscf csco cscr cscs csfc csfr csor csos csra csrc csrs cssa cssr csua csuf csur csus cuau cuca cucc cufa cufc cuff cufo cuga cura curf curo curr curs cusa cusg cuso cuss cusu faaa faac faas faca facc facs fafa fafc faff fafg fafo fagg fago fags fagu fara farc farg faro farr fars faru fasa fasc faso fass faur 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 foua foug four fous frac frag fras frau frcc frfc frog fros frou frsc frso frug fsas fscc fsfo fsgs fsra fssa fssc fssf fuar fuc- fuca fufc fuff fufu fuga fugo fugs fugu fuor fur- fura furg furo furr furs