a-fu aaaa aaac aaaf aaal aaar aaas aaca aacc aacf aacl aacr aacs aacu aafa aafc aaff aafl aala aalc aall aals aalu aara aarc aars aaru aasa aasc aasf aass aasu aaus acaa acac acar acas acca accc accf accs accu acfc acfl acfs acla aclc aclr acls aclu acr- acra acrc acrr acrs acsa acsc acsl acss acu- acuf acul acur acus afaa afar afca afcc afcs afcu affa affc affs afla aflc afr- afra afrc afrs afru afsa afsc afua afus alaa alac alal alar alas alau alca alcc alcs alfa alfs all- alla alll allr alls allu alsa alsc alua aluf alur alus arac araf aral arar aras arau arc- arca arcs arfa arfc arff arfs arfu arla arr- arra arrc arrr arrs arru ars- arsa arsc arsu arua arul asaa asac asaf asal asar asas asau asc- asca ascc ascl ascr asfa asla aslr asra asrc asrs asru assa assc assl assr asss assu asur asus auaa auca aufc aufs aul- aula aulf aull auls aulu aur- aura ausa ausu caaa caac caaf caal caas cac- caca cacc cacr cafa cafc caff cafl cafs cafu cala calc calf call cals calu cara carc carf carl carr cars casa casc casl casr cass casu cauc cauf caul caus ccaa ccac ccaf ccar ccas ccca cccc cccf cccl cccs cccu ccfa ccfc ccff ccfl ccla cclc ccls ccra ccrc ccrf ccrl ccrs ccsa ccsf ccsl ccss ccuc ccus cfaa cfac cfar cfca cfcf cfcl cfcs cffr cfls cfra cfsa cfsl claf clar clas clau clra clrs clsa clsc crac craf crar cras crau crca crcc crcr crfc crfl crfs crlf crls crsa crss crus csaa csac csar csas cscc cscf cscl cscr cscs csfc csfr csla cslr cslu csra csrc csrs cssa cssr csua csuf csur csus cuau cuca cucc cufa cufc cuff cula culc cull culs cura curf curl curr curs cusa cuss cusu faaa faac faas faca facc facs fafa fafc faff fala falc fall fals falu fara farc farl farr fars faru fasa fasc fass faul faur fcal fcar fcas fcca fccf fcra fcsc fcsl ffar ffcc ffff ffrr ffsa ffss flac flcl fluf flur flus frac fras frau frcc frfc frla frsc fsas fscc fsra fssa fssc fssf fuar fuc- fuca fufc fuff fufu fula full fuls fulu fur- fura furl furr furs fusa fusc fuss fusu laaa laac laal laar laas laca lacc lacl lacs lacu lafc laff lala lall lalu lara larc larf larr lars laru lasa lass lasu lauf laul laur laus lcac lcca lccc lccs lcfc lcfr lcls lcra lcrl lcrs lcsc lcsr lfca lfcc llcc llcs lllc llll lrac lral lrcs lrfc lrrc lrrr ls-r lscs lsfc lsla lsrc lssa lssr luas luau luca lucs luff lufu lula lull lulu lura lurs lusa luss luua raaf raas rac- raca racc racs racu rafa rafc raff rala ralf rall rara rarf rars rasa rasc rasl rass rasu raua rauc rauf raul raus rcac rcaf rcas rccc rccs rcfc rcls rcsa rcsc rcsl rcss rffc rffl rlcs rlls rlua rras rrfc rrrr rsaa rsaf rscc rscs rsfc rslc rssa rssl rsua ruas ruca rufa rufc ruff rula rull rura rurc rurs ruru rusa russ rusu sa-c saac saaf saal saar saas saca sacc sacr sacs sacu safa safc saff safr safu sala salc salf sall sals salu sara sarc sarf sarl sarr sars saru sasa sasc sasf sasl sass saua sauc sauf saul saur saus scaa scac scaf scal scar scas sccc sccl sccs scfa scfc scl- sclc scls scr- scra scrc scrs scsa scsc scsl scsr scsu scua scul scur sfar sfas sfca sfcc sfcs sffc sfla sflc sfls sfra sfrc sfss sfsu slaa slac slaf slas slau slcc slcu slrc slrs slsa slsc slsu sluc slur sraf sras srcc srfc ssaa ssac ssas ssau ssca sscc sscs ssfc ssfl ssla sslc ssra ssrc ssrl ssrs sssa sssc sssf ssss suar suas suc- succ sucr sucs suf- sufa sufc suff sufr sufs sufu sul- sula sulc sulf sull sulu sur- sura surc surf surr surs suru sus- susa suss susu suus uaca uafa uarc uars uaru uasa uaua ucal ucar ucas ucca ucfa ucla ucrc ucsa ucsc ucsf ucsu ucua ufcu uffa ufra ulaa ular ulas ulcc ulla ullr ulsa ulua ulul ulus urac ural uras urau urca urfa urff urla urls urra ursa urss ursu urur urus us-a usaa usac usaf usal usar usas usca uscc uscf uscs usfa usfc usfl usfs uslu usra ussa ussc ussf ussr usss ussu usua usul usus uulu uuuu