-ana aaaa aaac aaan aaap aaas aaca aacc aacn aaco aacp aacs aana aanp aaon aaoo aapa aapc aapo aaps aasa aasc aass acaa acac acan acap acas acca accc acco accp accs acoa acon acop acos acpa acps acsa acsc acss ana- anaa anac anan anao anap anas anca ancc anco anna anno anns ano- anoa anon anos anp- anpa anpp ansa anso ansp aoca aocs aono aopo aosp aoss apac apan apao apap apas apca apcc apcn apco apcs apna apno apo- apoc apon apoo apop apos appa appc apps apsa apso apss asaa asac asan asao asap asas asc- asca ascc asco ascp asnc asno asoc ason asop asos aspa aspc aspo asps assa assc assn asso assp asss caaa caac caan caap caas cac- caca cacc caco cana canc cann cano canp cans caos capa capc capn capo capp caps casa casc caso casp cass ccaa ccac ccap ccas ccca cccc cccp cccs ccna ccnc ccnp ccns ccoc ccpa ccpn ccpp ccps ccsa ccsn ccsp ccss cnaa cnac cnap cnas cnco cncp cnna cnpa cnsa cnss coan coas coca coco cocp con- cona conc conn cono cons coon coop coos copa copo copp cops cosa cosc coso cosp coss cpaa cpac cpan cpap cpas cpca cpcs cpns cpos cppa cpps cpsa cpsc cpso csaa csac csao csas cscc csco cscs csnp csos cspa cspc csps cssa naaa naac naan naas naca nacc naco nacp nacs nan- nana nann nano nanp nans naoc naos napa napo napp naps nas- nasa nasc naso nasp nass ncaa ncac ncap ncca nccc nccn nccp nccs ncna ncnc ncoa ncoc ncos ncpa ncpc ncsa ncsc ncss nnnn nnos nnsa nnss noaa noac noap noco nocs non- nona nonn nono nons noo- noon nooo noop noos nops nos- nosa noss npac npap npas npca npcc nppa nppc npsa npss nsaa nsac nsca nscc nscs nsna nsos nspc nsps nssa nssc nsso nssp nsss oaps oasc oass ocac ocan ocap ocas occa occc occn ocna ocon ocos ocpa ocpp ocsa onan onas onc- onca onco onna onno onon onos onsc onso ooaa oona oons oooo ooos oops oosa opan opap opca opo- opon opos oppa oppo opps opsa osan osap osas osca oscc osco osno osoo osos ossa osso paan paap paas paca paco pacs pan- pana panc pann pano pans paoc paon paos papa papp paps pasa pasc paso pasp pass pcaa pcap pcas pcca pccc pccs pcns pcoa pcos pcpn pcpp pcps pcsa pcso pnac pnas pnca pnon pnpo pnpp pnsc poan poas poca poco pocs pona ponc pono ponp pons poon poop poos pop- popa popc popo popp pops posa posn poso poss ppac ppan ppap ppcc ppcs ppoa ppos pppa pppn pppo pppp ppps ppss psac psap psas psca psco psna psnc psoa psoc pson psos pspp psps pssa pssc psso s-os sa-c saac saan saap saas saca sacc sacn saco sacs sana sann sano sans saon saos sapa sapo sapp saps sasa sasc saso sass scaa scac scan scap scas sccc sccp sccs scna scon scoo scop scpa scpo scps scsa scsc scsn scso snap snas snca sncc snco sncp snns snoa snoc snoo snop snos snpo snpp soan soap soas soca soco socs son- sona sono sons soon soop soos sopa sopo sopp sops sosa soso soss sp-a spac span spap spas spca spcc spco spcs spns spoc spon spoo spop spos spps spsa spso spsp spss ssaa ssac ssan ssao ssap ssas ssca sscc sscp sscs ssns ssoc ssop sspa sspc sspo ssps sssa sssc ssss