nrsa nrsc nrsp nsaa nsac nsai nsar nsca nscc nscs nsfc nsfs nsic nsin nsis nsna nsnr nspc nspi nsps nsra nsrc nssa nssc nssf nssp nssr nsss paan paap paar paas paca paci pacs pafa pafc paff paia pain paip pair pais pan- pana panc pani pann pans papa papi papp papr paps par- para parc parf pari parn parp parr pars pasa pasc pasi pasp pass pcaa pcaf pcap pcas pcca pccc pccs pcfc pcia pcin pcip pcns pcpn pcpp pcps pcra pcrc pcrf pcsa pfaa pfas pfcs pfff pffr pfic pfis pfps pfra piaf piai pian pias pica picc pici picr pics pifa piff pifs piia piip pina pinc pini pinn pinp pins pipa pipi pipp pips pira pirc piri pirn pirr pirs pisa pisi piss pnac pnar pnas pnca pnic pnin pnpp pnra pnsc ppac ppan ppap ppar ppcc ppci ppcs ppfa ppic ppif pppa pppn pppp ppps pprc pprf ppsf ppss prai pran prar pras prca prcc prcf prcp prcs prfc prfs pri- pria prif prii prin pris prna prnp prps prri prrs prsa prsc prsi prss psac psap psas psca psci psfs psia psip psis psna psnc psni psnr pspi pspp pspr psps psrp pssa pssc raaf raan raas rac- raca racc raci racs rafa rafc raff rafi raia raic raif raii rain raip rair rais rana ranc rani rann rans rapa rapc rapi rapp raps rara rarf rari rars rasa rasc rasi rasp rass rcac rcaf rcas rccc rccs rcfc rcic rcis rcnr rcpi rcps rcsa rcsc rcsi rcss rffc rfic riaa riai rian rias rica ricc rics rifa riff rifs riia riif riin riis rina rinf rinn ripa ripi ripp ripr rips riri rirs risa risc risi risp riss rnaf rnai rnas rncp rncs rnin rnsp rpca rpcs rpfc rpii rppn rpps rras rrfc rrif rrna rrrr rrsp rsaa rsaf rsai rscc rscn rscs rsfc rsis rsna rsnn rsnr rsps rssa s-ic s-ii sa-c saac saaf saan saap saar saas saca sacc saci sacn sacr sacs safa safc saff safi safr saia saic saif sain saip sair sais sana sani sann sanr sans sapa sapi sapp saps sara sarc sarf sari sarn sarp sarr sars sasa sasc sasf sasi sass scaa scac scaf scai scan scap scar scas sccc sccp sccs scfa scfc scfi sci- scia scic scif scin scip scir scis scna scnr scpa scpi scps scr- scra scrc scri scrn scrs scsa scsc scsi scsn scsr sfar sfas sfca sfcc sfcs sffc sfia sfpa sfpc sfra sfrc sfss siaa siac siaf siai sian sias sica sicc sici sicp sics sifa siff sifr sina sini sinn sinp sins sipa sipc sipi sipp sips sira sirc sirf siri sirp sirr sirs sisa sisc sisi siss snap snar snas snca sncc sncf sncp snia snip snir snns snpp snra snrs sp-a spac span spap spar spas spca spcc spcs spfc spfs spia spic spin spip spir spis spns sppf spps spri sprs spsa spsp spss sraf sras srcc srfc srfi sris srna srni srnn srpc srps srsp ssaa ssac ssan ssap ssas ssca sscc ssci sscp sscs ssfc ssfp ssin ssis ssns sspa sspc sspf ssps ssra ssrc ssri ssrs sssa sssc sssf sssi ssss