-ana aaaa aaac aaan aaap aaar aaas aaca aacc aacn aaco aacp aacr aacs aana aanp aaon aaoo aapa aapc aapo aaps aara aarc aaro aarp aars aasa aasc aass acaa acac acan acap acar acas acca accc acco accp accs acoa acon acop acor acos acpa acpr acps acr- acra acrc acro acrr acrs acsa acsc acss ana- anaa anac anan anao anap anar anas anca ancc anco anna anno anns ano- anoa anon anor anos anp- anpa anpp anpr anrc ansa anso ansp aoca aocs aono aopo aora aorn aors aosp aoss apac apan apao apap apar apas apca apcc apcn apco apcr apcs apna apno apo- apoc apon apoo apop apor apos appa appc appr apps apra aprc aprn apro aprs apsa apso apss arac aran arap arar aras arc- arca arco arcs arna arno arns aroa aron aroo aror aros arpa arps arr- arra arrc arro arrr arrs ars- arsa arsc arso asaa asac asan asao asap asar asas asc- asca ascc asco ascp ascr asnc asno asoc ason asop asor asos aspa aspc aspo aspr asps asra asrc asro asrs assa assc assn asso assp assr asss caaa caac caan caap caas cac- caca cacc caco cacr cana canc cann cano canp cans caor caos capa capc capn capo capp caps cara carc carn caro carp carr cars casa casc caso casp casr cass ccaa ccac ccap ccar ccas ccca cccc cccp cccs ccna ccnc ccnp ccnr ccns ccoc ccpa ccpn ccpp ccpr ccps ccra ccrc ccrp ccrs ccsa ccsn ccsp ccss cnaa cnac cnap cnas cnco cncp cnna cnpa cnrc cnrr cnsa cnss coan coas coca coco cocp con- cona conc conn cono cons coon coop coos copa copo copp copr cops cor- cora corc corn coro corp corr cors cosa cosc coso cosp coss cpaa cpac cpan cpap cpas cpca cpcs cpns cpos cppa cpps cprs cpsa cpsc cpso cpsr crac cran crap crar cras crca crcc crcr crna crns croc cron croo crop cror crpc crps crsa crsp crss csaa csac csao csar csas cscc csco cscr cscs csnp csor csos cspa cspc csps csra csrc csrs cssa cssr naaa naac naan naar naas naca nacc naco nacp nacs nan- nana nann nano nanp nans naoc naor naos napa napo napp naps nara narc narn naro narp narr nars nas- nasa nasc naso nasp nasr nass ncaa ncac ncap ncar ncca nccc nccn nccp nccr nccs ncna ncnc ncoa ncoc ncor ncos ncpa ncpc ncra ncrc ncrp ncsa ncsc ncss nnnn nnos nnpr nnsa nnss noaa noac noap noco nocs non- nona nonn nono nons noo- noon nooo noop noor noos nops nor- nora norc norn noro norr nors nos- nosa noss npac npap npas npca npcc nppa nppc npra npsa npss nrap nras nrca nrcs nrna nroc nron nrpc nrpn nrps nrrc nrsa nrsc nrsp nsaa nsac nsar nsca nscc nscs nsna nsnr nsos nspc nsps nsra nsrc nssa nssc nsso nssp nssr nsss oaps oara oars oasc oass ocac ocan ocap ocas occa occc occn ocna ocon ocos ocpa ocpp ocra ocro ocrr ocrs ocsa onan onar onas onc- onca onco onna onno onon onor onos onra onsc onso ooaa oocr oona oons oooo ooos oops oora oosa opan opap opar opca opo- opon opor opos oppa oppo opps opra opsa orac oran orao orar oras orca orco orcs orna ornc orno orns oro- oron oror oros orpc orps orra orro orrs orsa orso osan osap osar osas osca oscc osco osno osnr osoo osor osos osro ossa osso paan paap paar paas paca paco pacs pan- pana panc pann pano pans paoc paon paos papa papp papr paps par- para parc parn paro parp parr pars pasa pasc paso pasp pass pcaa pcap pcas pcca pccc pccs pcns pcoa pcos pcpn pcpp pcps pcra pcrc pcsa pcso pnac pnar pnas pnca pnon pnpo pnpp pnra pnro pnsc poan poar poas poca poco pocs pona ponc pono ponp pons poon poop poor poos pop- popa popc popo popp pops pora porc porn poro porr pors posa posn poso poss ppac ppan ppap ppar ppcc ppcs ppoa ppos pppa pppn pppo pppp ppps pprc ppss pran prao prar pras prca prcc prcp prcs prna prnp pro- proa proc pron proo prop pros prps prrs prsa prsc prso prss psac psap psas psca psco psna psnc psnr psoa psoc pson psos pspp pspr psps psrp pssa pssc psso raan raas rac- raca racc raco racs rana ranc rann rano rans raoc raop raos rapa rapc rapp raps rara raro rars rasa rasc raso rasp rass rcac rcas rccc rccs rcnr rcon rcos rcpo rcps rcsa rcsc rcss rnas rnco rncp rncs rnsp roan roap roar roas roca rocc roco rocs rona ronc rono rons roon roop roor roos ropa ropo rops rora rorc roro rosa rosc roso rosp ross rpca rpcs rpon rpos rppn rpps rras rrna rrrr rrsp rsaa rscc rscn rscs rsna rsnn rsno rsnr rsos rspo rsps rssa s-os sa-c saac saan saap saar saas saca sacc sacn saco sacr sacs sana sann sano sanr sans saon saor saos sapa sapo sapp saps sara sarc sarn saro sarp sarr sars sasa sasc saso sass scaa scac scan scap scar scas sccc sccp sccs scna scnr scon scoo scop scor scpa scpo scps scr- scra scrc scrn scrs scsa scsc scsn scso scsr snap snar snas snca sncc snco sncp snns snoa snoc snoo snop snor snos snpo snpp snra snrs soan soap soar soas soca soco socr socs son- sona sono sons soon soop soor soos sopa sopo sopp sops sora sorn soro sorr sors sosa soso soss sp-a spac span spap spar spas spca spcc spco spcs spns spoc spon spoo spop spor spos spps spro sprs spsa spso spsp spss sras srcc srna srnn srno sros srpc srps srsp ssaa ssac ssan ssao ssap ssas ssca sscc sscp sscs ssns ssoc ssop sspa sspc sspo ssps ssra ssrc ssrs sssa sssc ssss