-ana aaaa aaac aaaf aaan aaas aaca aacc aacf aacn aaco aacs aafa aafc aaff aana aaon aaoo aasa aasc aasf aass acaa acac acan acas acca accc accf acco accs acfc acfs acoa acon acos acsa acsc acss afaa afan afao afca afcc afcs affa affc affo affs afoa afoo afsa afsc ana- anaa anac anan anao anas anca ancc anco anfa anfo anna anno anns ano- anoa anon anos ansa ansf anso aoca aocs aono aoss asaa asac asaf asan asao asas asc- asca ascc asco asfa asnc asno asoc asof ason asos assa assc assn asso asss caaa caac caaf caan caas cac- caca cacc caco cafa cafc caff cafs cana canc cann cano cans caos casa casc caso cass ccaa ccac ccaf ccas ccca cccc cccf cccs ccfa ccfc ccff ccna ccnc ccnf ccns ccoc ccsa ccsf ccsn ccss cfaa cfac cfao cfca cfcf cfcn cfco cfcs cfns cfoa cfos cfsa cnaa cnac cnas cnco cnfa cnna cnsa cnss coan coas coca coco cofc coff cofs con- cona conc conf conn cono cons coof coon coos cosa cosc coso coss csaa csac csao csas cscc cscf csco cscs csfc csos cssa faaa faac faan faas faca facc facs fafa fafc faff fafo fana fanc fano fans faon fasa fasc fasn faso fass fcas fcca fccf fcsc ffcc ffff ffsa ffss fnac foaf foan foca foco focs fofo fono fons foof foon foos fosa foso foss fsas fscc fsfo fssa fssc fssf naaa naac naan naas naca nacc nacf naco nacs nafa nafc naff nafo nafs nan- nana nann nano nans naoc naos nas- nasa nasc nasf naso nass ncaa ncac ncca nccc nccf nccn nccs ncfc ncna ncnc ncoa ncoc ncos ncsa ncsc ncsf ncss nfaa nfas nfff nfon nnnn nnos nnsa nnss noaa noac noco nocs non- nona nonn nono nons noo- noon nooo noos nos- nosa noss nsaa nsac nsca nscc nscs nsfc nsfs nsna nsof nsos nssa nssc nssf nsso nsss oafc oafo oafs oasc oass ocac ocan ocas occa occc occn ocfa ocna ocon ocos ocsa ofan ofas off- offa offc offo offs ofna ofno onan onas onc- onca oncf onco onna onno onon onos onsc onso ooaa ooff oofs oona oons oooo ooos oosa osaf osan osas osca oscc osco osfa osno osoo osos ossa osso s-os sa-c saac saaf saan saas saca sacc sacn saco sacs safa safc saff safo sana sann sano sans saon saos sasa sasc sasf saso sass scaa scac scaf scan scas sccc sccs scfa scfc scna scon scoo scsa scsc scsn scso sfas sfca sfcc sfco sfcs sffc sfos sfss snas snca sncc sncf snco snns snoa snoc snoo snos soan soas soca soco socs sofa sofo son- sona sono sons soof soon soos sosa soso soss ssaa ssac ssan ssao ssas ssca sscc sscs ssfc ssns ssoc sssa sssc sssf ssss