a-fu aaaa aaac aaaf aaar aaas aaca aacc aacf aacr aacs aacu aafa aafc aaff aara aarc aars aaru aasa aasc aasf aass aasu aaus acaa acac acag acar acas acca accc accf accs accu acfc acfs acga acgr acgs acr- acra acrc acrr acrs acsa acsc acss acu- acuf acur acus afaa afar afca afcc afcs afcu affa affc affs afgf afr- afra afrc afrs afru afsa afsc afua afus agac agag agar agas agau agca agcc agfa agga aggu agra agsa agsg agsu agua agur agus arac araf arag arar aras arau arc- arca arcs arfa arfc arff arfs arfu arga args arr- arra arrc arrg arrr arrs arru ars- arsa arsc arsu arua arug asaa asac asaf asag asar asas asau asc- asca ascc ascr asfa asra asrc asrg asrs asru assa assc assr asss assu asur asus auaa auca aufc aufs auga augs aur- aura ausa ausu auug caaa caac caaf caas cac- caca cacc cacr cafa cafc caff cafs cafu caga cagg cagr cags cara carc carf carr cars casa casc casr cass casu cauc cauf caus ccaa ccac ccaf ccag ccar ccas ccca cccc cccf cccs cccu ccfa ccfc ccff ccga ccgc ccgs ccra ccrc ccrf ccrg ccrs ccsa ccsf ccsg ccss ccuc ccus cfaa cfac cfar cfca cfcf cfcs cffr cfgs cfra cfrg cfsa cfsg cgac cgas cgcc cgcg cgfc cggs cgss crac craf crag crar cras crau crca crcc crcr crfc crfs crgs crsa crss crug crus csaa csac csar csas cscc cscf cscr cscs csfc csfr csra csrc csrs cssa cssr csua csuf csur csus cuau cuca cucc cufa cufc cuff cuga cura curf curr curs cusa cusg cuss cusu faaa faac faas faca facc facs fafa fafc faff fafg fagg fags fagu fara farc farg farr fars faru fasa fasc fass faur fcar fcas fcca fccf fcgs fcra fcsc ffar ffcc ffff ffrr ffsa ffss fgcs frac frag fras frau frcc frfc frsc frug fsas fscc fsgs fsra fssa fssc fssf fuar fuc- fuca fufc fuff fufu fuga fugs fugu fur- fura furg furr furs fusa fusc fuss fusu gaar gaas gafa gafc gaff gaga gagg gags gagu gara garf garg garr gars gasa gasc gasr gass gaua gaur gaus gc-c gcaa gccc gccf gccs gcfc gcrg gcss gcsu gfcf gffa ggfg gggg ggss grac graf gras grau grcc grfa grrr grrs grss grua gruf grug grur grus gsfc gsur guaa guac guag guar guca gufa gufc guff guga gugg gugu gura gurg gurr gurs guru gusa guss guus raaf raag raas rac- raca racc racs racu rafa rafc raff raga ragg rags ragu rara rarf rars rasa rasc rass rasu raua rauc rauf raus rcac rcaf rcas rccc rccs rcfc rcga rcgc rcrg rcsa rcsc rcss rffc rfgs rras rrfc rrrr rsaa rsaf rscc rscs rsfc rsgc rssa rsua ruag ruas ruca rufa rufc ruff ruga rugg rugs rura rurc rurs ruru rusa russ rusu sa-c saac saaf saag saar saas saca sacc sacr sacs sacu safa safc saff safr safu saga sagg sags sagu sara sarc sarf sarg sarr sars saru sasa sasc sasf sass saua sauc sauf saur saus scaa scac scaf scag scar scas sccc sccs scfa scfc scfg scgs scr- scra scrc scrs scsa scsc scsr scsu scua scug scur sfar sfas sfca sfcc sfcg sfcs sffc sfra sfrc sfss sfsu sgaa sgac sgau sgca sgcg sggg sggs sgss sraf sras srcc srfc ssaa ssac ssas ssau ssca sscc sscs ssfc ssgs ssra ssrc ssrg ssrs sssa sssc sssf ssss suar suas suc- succ sucr sucs suf- sufa sufc suff sufr sufs sufu sug- suga sugg sur- sura surc surf surg surr surs suru sus- susa suss susu suus uaca uafa uarc uars uaru uasa uaua ucar ucas ucca ucfa ucrc ucsa ucsc ucsf ucsu ucua ufag ufcu uffa ufra ugar ugcc ugcg uggs ugra ugur uguu urac uras urau urca urfa urff urga urgu urra ursa urss ursu urur urus us-a usaa usac usaf usag usar usas usca uscc uscf uscg uscs usfa usfc usfs usga usra ussa ussc ussf ussr usss ussu usua usus uuuu