ppps pprc pprm ppss prcc prcp prcs pre- prec pree prem pren prep pres pri- prie prii prim prin pris prmc prnp prps prri prrm prrs prsc prse prsi prss psci psec psei psim psip psis psnc psni psnr pspi pspp pspr psps psrp pssc psse pssm rccc rccs rcep rcic rcis rcmp rcms rcnr rcpi rcps rcsc rcsi rcss recc rece reci recm recp recr recs reem reen reep rees reii reim rein reir reis reme remi remn remp rems rene reni renn rens repe repi repp repr reps rere reri rers rese resi resn resp ress ricc rice rics riem rien riep rier ries riin riis rime rimi rimm rims rine rinn ripe ripi ripp ripr rips rire riri rirs risc rise risi rism risp riss rmrp rmsc rmsp rncp rncs rnie rnin rnsp rpcs rpii rpms rppn rpps rrmc rrmp rrrr rrsp rscc rscn rscs rsee rsis rsme rsnn rsnr rsps rsre s-ic s-ii sccc scce sccm sccp sccs scec scee scep scer sci- scic scie scim scin scip scir scis scmc scmm scmp scms scnr scpe scpi scpm scps scr- scrc scre scri scrn scrs scsc scsi scsn scsr se-c se-e se-i se-n se-s sec- secc sece secn secr secs seec seem seen seep seer sees seie seii seim sein seip seir seis semc seme semi semn semp sems sene seni senn senr sens sepe sepi sepn sepp sepr seps serc sere seri serm sern serp serr sers sesc sese sesi sess sicc sice sici sicm sicp sics siec sien sier sies siim sime simi simm simp sims sine sini sinn sinp sins sipc sipe sipi sipp sips sirc sire siri sirp sirr sirs sisc sise sisi siss smcc smcp smec smee smei smen smep smic smie smin smis smnc smps smsc smsn smsp smss sncc sncp snee snep sner snes snie snip snir snmp snns snpp snrs spcc spcs spec spee spen sper spes spic spie spim spin spip spir spis spme spmi spms spne spns spps spri sprm sprs spse spsp spss srcc srec srem sres srim sris srmc srni srnn srpc srps srsp sscc ssce ssci sscp sscs ssec ssee ssem ssep sses ssin ssis ssmc ssns sspc sspe ssps ssrc ssri ssrm ssrs sssc sssi sssm ssss