rati ratp rats ratt rdap rdas rdna riaa riad riai rian rias riat rida ridd ridi rids riia riin riis rina rind rinn ripa ripd ripi ripp ripr rips ript riri rirs risa risd risi risp riss rist rita riti rits ritt rnai rnas rndp rnds rnin rnnt rnsp rntd rntp rpdp rpii rppn rpps rpta rptd rptn rpts rrad rras rrat rrna rrrr rrsp rsaa rsai rsdd rsds rsid rsis rsna rsnn rsnr rsps rssa rstp rsts rtai rtan rtas rtdt rtnd rtns rtpa rtps rtss rttp rtts s-ii saad saan saap saar saas saat sada sadd sadi sadr sads sadt saia said sain saip sair sais sait sana sand sani sann sanr sans sant sapa sapi sapp saps sara sard sari sarn sarp sarr sars sart sasa sasd sasi sass sast sata satd sati satn satr sats satt sdap sdds sdna sdpr sdps sdrs sdss siaa siai sian sias siat sida sidd sidi sidr sids siit sina sind sini sinn sinp sins sint sipa sipi sipp sips sipt sira siri sirp sirr sirs sirt sisa sisd sisi siss sist sit- sita sitd siti sitn sits sitt snad snap snar snas snat snda snia snid snip snir snit snns snpp snra snrs snsd sntr sp-a spad span spap spar spas spat spdp spdr spdt spia spin spip spir spis spit spns sppd spps sprd spri sprs spsa spsd spsp spss spst spta sptr spts sras sris srna srni srnn srps srpt srsd srsp srta srtp srtr ssaa ssan ssap ssas ssat ssdd ssdp ssid ssin ssis ssit ssns sspa ssps sspt ssra ssri ssrs sssa sssi ssss ssta sstd sstp ssts stad stai stan stap star stas stat stds stia stid stip stir stis stit stnd stnn stnr stns stpd stpp stps stra strd stri strn strs stsi stss sttd sttr taa- taan taar taas taat tada tads taia tain taip tair tais tait tana tand tani tann tans tant tapa tapi tapp tapr taps tapt tara tard tari tarn tarp tarr tars tart tasa tasi tasp tasr tass tast tata tati tatr tats tatt tdap tdis tdna tdra tdri tdss tiaa tian tiar tias tidd tids tiit tina tind tini tinn tins tint tip- tipa tipi tipp tips tipt tira tird tiri tirr tirs tisa tisi tiss tist tita titi titp tits titt tndd tnsp tnts tpap tpia tpir tppa tppd tppp tppr tprs tpsa tptp tptr traa trad trai tran trap tras trat tri- tria trin trip tris trit trna trpa trpn trpp trps trra trsd trsi trst trtr tsaa tsai tsar tsat tsia tsid tsin tsis tsna tspn tsps tspt tssa tssi tssr tsst tsts ttss tttt