a-fu aaaa aaac aaaf aaal aaas aaca aacc aacf aacl aacs aacu aafa aafc aaff aafl aala aalc aall aals aalu aasa aasc aasf aass aasu aaus acaa acac acas acca accc accf accs accu acfc acfl acfs acla aclc acls aclu acsa acsc acsl acss acu- acuf acul acus afaa afca afcc afcs afcu affa affc affs afla aflc afsa afsc afua afus alaa alac alal alas alau alca alcc alcs alfa alfs all- alla alll alls allu alsa alsc alua aluf alus asaa asac asaf asal asas asau asc- asca ascc ascl asfa asla assa assc assl asss assu asus auaa auca aufc aufs aul- aula aulf aull auls aulu ausa ausu caaa caac caaf caal caas cac- caca cacc cafa cafc caff cafl cafs cafu cala calc calf call cals calu casa casc casl cass casu cauc cauf caul caus ccaa ccac ccaf ccas ccca cccc cccf cccl cccs cccu ccfa ccfc ccff ccfl ccla cclc ccls ccsa ccsf ccsl ccss ccuc ccus cfaa cfac cfca cfcf cfcl cfcs cfls cfsa cfsl claf clas clau clsa clsc csaa csac csas cscc cscf cscl cscs csfc csla cslu cssa csua csuf csus cuau cuca cucc cufa cufc cuff cula culc cull culs cusa cuss cusu faaa faac faas faca facc facs fafa fafc faff fala falc fall fals falu fasa fasc fass faul fcal fcas fcca fccf fcsc fcsl ffcc ffff ffsa ffss flac flcl fluf flus fsas fscc fssa fssc fssf fuc- fuca fufc fuff fufu fula full fuls fulu fusa fusc fuss fusu laaa laac laal laas laca lacc lacl lacs lacu lafc laff lala lall lalu lasa lass lasu lauf laul laus lcac lcca lccc lccs lcfc lcls lcsc lfca lfcc llcc llcs lllc llll lscs lsfc lsla lssa luas luau luca lucs luff lufu lula lull lulu lusa luss luua sa-c saac saaf saal saas saca sacc sacs sacu safa safc saff safu sala salc salf sall sals salu sasa sasc sasf sasl sass saua sauc sauf saul saus scaa scac scaf scal scas sccc sccl sccs scfa scfc scl- sclc scls scsa scsc scsl scsu scua scul sfas sfca sfcc sfcs sffc sfla sflc sfls sfss sfsu slaa slac slaf slas slau slcc slcu slsa slsc slsu sluc ssaa ssac ssas ssau ssca sscc sscs ssfc ssfl ssla sslc sssa sssc sssf ssss suas suc- succ sucs suf- sufa sufc suff sufs sufu sul- sula sulc sulf sull sulu sus- susa suss susu suus uaca uafa uasa uaua ucal ucas ucca ucfa ucla ucsa ucsc ucsf ucsu ucua ufcu uffa ulaa ulas ulcc ulla ulsa ulua ulul ulus us-a usaa usac usaf usal usas usca uscc uscf uscs usfa usfc usfl usfs uslu ussa ussc ussf usss ussu usua usul usus uulu uuuu