rees reet refe reff refi refl refn refr refs reft reif reii reil rein reir reis reit rele rell relp rels relt rene reni renn rens rent repe repi repl repp repr reps rept rere reri rers rert rese resi resn resp ress rest rete reti retr rets rett rfef rffl rief riel rien riep rier ries riet rife riff rifs rift riif riin riis rile rill rilp rine rinf rinn ripe ripi ripl ripp ripr rips ript rire riri rirs rise risi risp riss rist rite riti ritl rits ritt rlee rlef rlif rlin rlls rnie rnin rnli rnnt rnsp rntp rpet rpii rpls rppn rpps rptn rpts rrif rrle rrrr rrsp rsee rsis rslp rsnn rsnr rsps rsre rssl rstp rsts rtee rtei rtes rtle rtls rtlt rtns rtps rtss rttp rtts s-ii se-e se-f se-i se-n se-s se-t seef seel seen seep seer sees seet seff sefi sefl seft seie seif seii seil sein seip seir seis seit sele self seli sell sels selt sene seni senn senr sens sent sepe sepi sepn sepp sepr seps sept sere serf seri sern serp serr sers sert sese sesi sess sest set- sete setf seti setl sets sett sfer sfls sfne sfnt sfss sftp sfts sief siel sien sier sies sife siff sifl sifr sift siit sil- sile silf sili sill sils silt sine sini sinn sinp sins sint sipe sipi sipp sips sipt sire sirf siri sirp sirr sirs sirt sise sisi siss sist sit- site siti sitn sits sitt sl-i slee slep sler sles slet slft slie slip slir slit slln sllp slpi slpp slps slre slrn slrp slrs slst slts snee snel snep sner snes snet snie snip snir snit snlf snns snpp snrs snte sntr spee spef spel spen sper spes spet spfs spie spin spip spir spis spit sple splp splr spls spne spns sppf spps spri sprs spse spsp spss spst sptr spts sres srfi sris srni srnn srps srpt srsp srtp srtr ssee ssep sses sset ssfl ssfp ssin ssis ssit ssle sslp sslt ssns sspe sspf sspl ssps sspt ssri ssrl ssrs sssf sssi ssss sstl sstp ssts stee stef stel sten step ster stes stet stfn stie stif stil stip stir stis stit stle stln stlt stnn stnr stns stpf stpp stps stre stri strn strs stsf stsi stss sttr teef teel teen teer tees teet teff tefi tefl teft teie teil tein teip teir teis tel- tele teli tell teln tels telt tene teni tenn tenp tens tent tepe tepi tepp ter- tere terf teri tern terp terr ters tese tesl tesp tess test tete teti tetr tets tett tfin tfnp tfpt tfrs tfsi tfss tftp tie- tiee tief tiei tiel tien tiep tier ties tiet tiff tift tiit tile till tiln tilr tils tilt tine tini tinn tins tint tip- tipe tipi tipp tips tipt tire tiri tirl tirr tirs tise tisi tiss tist tite titi titp tits titt tlen tlli tlrs tnef tnes tnfl tnsp tnts tper tpir tpls tppp tppr tprs tpte tptp tptr tre- tree tref trei tren tres tret trfr tri- trie trif tril trin trip tris trit trpe trpn trpp trps trsi trst trte trtr tsen tses tset tsfl tsin tsis tspn tsps tspt tsse tssf tssi tssr tsst tsts tten tter ttff ttfn ttss tttt