nstc nsts ntcc nter ntes ntfc ntfs ntrc ntsc ntsf ntss nttr raaf raan raas raat rac- raca racc race racs ract raec raef raen raer raes rafa rafc rafe raff raft rana ranc rane rann rans rant rara rare rarf rars rasa rasc rase rass rast rata rate ratf rats ratt rcac rcaf rcas rccc rccs rcet rcfc rcnr rcsa rcsc rcss rctc rcts rea- reac reae reaf rean rear reas reat reca recc rece recr recs rect reef reen rees reet refe reff refn refr refs reft rena rene renn rens rent rera rere rers rert resa rese resn ress rest reta rete retr rets rett rfae rfef rffc rftc rnaf rnas rncs rnnt rras rrat rrfc rrna rrrr rsaa rsaf rscc rscn rscs rsee rsfc rsna rsnn rsnr rsre rssa rsts rtan rtas rtca rtcc rtce rtee rtes rtfc rtns rtss rtts sa-c saac saae saaf saan saar saas saat saca sacc sace sacn sacr sacs sact saen saer saes safa safc safe saff safr saft sana sane sann sanr sans sant sara sarc sare sarf sarn sarr sars sart sasa sasc sase sasf sass sast sata satc sate satn satr sats satt scaa scac scaf scan scar scas scat sccc scce sccs scct scea scec scee scer scet scfa scfc scfe scna scnr scnt scr- scra scrc scre scrn scrs scsa scsc scsn scsr scst sctc sctn sctr scts se-c se-e se-f se-n se-s se-t seaa seac seaf sean sear seas seat sec- seca secc sece secn secr secs sect seea seec seef seen seer sees seet sefa seff seft sena sene senn senr sens sent sera serc sere serf sern serr sers sert sesa sesc sese sess sest set- seta setc sete setf sets sett sfar sfas sfca sfcc sfcs sfer sffc sfne sfnt sfra sfrc sfss sfts snar snas snat snca sncc sncf snee sner snes snet snns snra snrs snte sntr sraf sras srcc srct srec sres srfc srna srnn srta srtr ssaa ssac ssan ssas ssat ssca sscc ssce sscs ssec ssee sses sset ssfc ssns ssra ssrc ssrs sssa sssc sssf ssss ssta sstc ssts stac stae stan star stas stat stca stcc stcs stea stec stee stef sten ster stes stet stfc stfn stnn stnr stns stra strc stre strn strs stsf stss sttc sttr taa- taaf taan taar taas taat taca tacc tace tacs tact taec taen taer taes tafa tafc tafe taff taft tana tane tann tans tant tara tarc tare tarf tarn tarr tars tart tasa tasc tase tasr tass tast tata tate tatr tats tatt tcca tccc tcfc tcnn tctc tcts teac tean tear teas teat teca tecr tecs tect teec teef teen teer tees teet tefc teff teft tena tenc tene tenn tens tent ter- tera terc tere terf tern terr ters tesa tesc tese tess test teta tete tetr tets tett tfae tfca tfec tfrs tfss tftc tnca tncc tnef tnes tnfc tnts traa trac trae traf tran tras trat trca trcc tre- trea trec tree tref tren tres tret trfc trfr trna trra trst trtc trte trtr tsaa tsar tsat tsca tscc tsec tsen tses tset tsfc tsna tssa tsse tssf tssr tsst tstc tsts ttcn tten tter ttfa ttfc ttff ttfn ttss tttt