pede pedi peds peed peep peer pees peia peip peir peis pepa pepd pepe pepi peps per- pera perd pere peri perp perr pers pesa pese pesi pess piai pias pibb pibi pida pide pids piea pied piep pier pies piia piip pipa pipe pipi pipp pips pira pire piri pirr pirs pisa pisd pise pisi piss ppad ppap ppar ppds pper ppib ppid ppie pppa pppd pppp ppps ppss prad prae prai prar pras prbs pre- preb pred pree prep pres pri- pria prid prie prii pris prpd prps prrd prri prrs prsa prsd prse prsi prss psap psas psbd psbr psdi psdp psdr psds pseb psei psia psid psip psis pspi pspp pspr psps psrd psrp pssa psse raab raad raas raba rabb rabe rabi rabs rada radd rade radr rads raed raep raer raes raia raid raie raii raip rair rais rapa rapd rape rapi rapp raps rara rarb rare rari rars rasa rasd rase rasi rasp rass rbbb rbbr rbbs rbds rbis rbsd rbsp rbss rdap rdas rdbp rder rea- read reae reap rear reas reba rebb rebe rebs reda redd rede redi redr reds reeb reed reep rees reia reid reii reir reis repe repi repp repr reps rera rerd rere reri rers resa rese resi resp ress riaa riab riad riai rias rib- riba ribe ribs rida ridd ride ridi rids ried riep rier ries riia riis ripa ripd ripe ripi ripp ripr rips rire riri rirs risa risd rise risi risp riss rpdp rpii rpps rrad rras rred rrrr rrsp rsaa rsai rsbi rsdd rsds rsee rsid rsis rspb rsps rsre rssa s-ib s-ii saab saad saae saap saar saas saba sabb sabe sabi sabr sabs sada sadb sadd sade sadi sadr sads saeb saer saes saia said saie saip sair sais sapa sape sapi sapp saps sara sard sare sari sarp sarr sars sasa sasd sase sasi sass sbaa sbai sbar sbas sbbs sbds sber sbia sbsa sbsd sbse sbsi sbsp sdae sdap sdba sdds sdep sder sdes sdib sdpr sdps sdrs sdss se-d se-e se-i se-s seaa seab sead seap sear seas seba sebe sebi sebs seda sede seds seea seeb seed seep seer sees seia seid seie seii seip seir seis sepa sepd sepe sepi sepp sepr seps sera serb serd sere seri serp serr sers sesa sese sesi sess siaa siab siae siai sias siba sibe sibi sibs sida sidd side sidi sidr sids sied sier sies sipa sipe sipi sipp sips sira sire siri sirp sirr sirs sisa sisd sise sisi siss sp-a spad spae spap spar spas spde spdp spdr spea speb sped spee sper spes spia spib spie spip spir spis sppd spps sprd spri sprs spsa spsd spse spsp spss sras srde sreb sres srib sris srps srsd srsp ssaa ssab ssap ssas ssbr ssdd ssdp ssee ssep sses ssid ssis sspa sspe ssps ssra ssri ssrs sssa sssb sssi ssss