-ana aaaa aaac aaan aaap aaas aaca aacc aacn aacp aacs aana aanp aapa aapc aaps aasa aasc aass acaa acac acan acap acas acca accc accp accs acpa acps acsa acsc acss ana- anaa anac anan anap anas anca ancc anna anns anp- anpa anpp ansa ansp apac apan apap apas apca apcc apcn apcs apna appa appc apps apsa apss asaa asac asan asap asas asc- asca ascc ascp asnc aspa aspc asps assa assc assn assp asss caaa caac caan caap caas cac- caca cacc cana canc cann canp cans capa capc capn capp caps casa casc casp cass ccaa ccac ccap ccas ccca cccc cccp cccs ccna ccnc ccnp ccns ccpa ccpn ccpp ccps ccsa ccsn ccsp ccss cnaa cnac cnap cnas cncp cnna cnpa cnsa cnss cpaa cpac cpan cpap cpas cpca cpcs cpns cppa cpps cpsa cpsc csaa csac csas cscc cscs csnp cspa cspc csps cssa naaa naac naan naas naca nacc nacp nacs nan- nana nann nanp nans napa napp naps nas- nasa nasc nasp nass ncaa ncac ncap ncca nccc nccn nccp nccs ncna ncnc ncpa ncpc ncsa ncsc ncss nnnn nnsa nnss npac npap npas npca npcc nppa nppc npsa npss nsaa nsac nsca nscc nscs nsna nspc nsps nssa nssc nssp nsss paan paap paas paca pacs pan- pana panc pann pans papa papp paps pasa pasc pasp pass pcaa pcap pcas pcca pccc pccs pcns pcpn pcpp pcps pcsa pnac pnas pnca pnpp pnsc ppac ppan ppap ppcc ppcs pppa pppn pppp ppps ppss psac psap psas psca psna psnc pspp psps pssa pssc sa-c saac saan saap saas saca sacc sacn sacs sana sann sans sapa sapp saps sasa sasc sass scaa scac scan scap scas sccc sccp sccs scna scpa scps scsa scsc scsn snap snas snca sncc sncp snns snpp sp-a spac span spap spas spca spcc spcs spns spps spsa spsp spss ssaa ssac ssan ssap ssas ssca sscc sscp sscs ssns sspa sspc ssps sssa sssc ssss