nisa nisi niss nist nita nitc nitf niti nitr nits nnit nnnn nnsa nnss nntn nras nrca nrcs nrfc nric nrna nrrc nrsa nrsc nrta nrts nsaa nsac nsai nsar nsca nscc nscs nsfc nsfs nsic nsin nsis nsna nsnr nsra nsrc nssa nssc nssf nssr nsss nstc nsts ntcc ntfc ntfs ntia ntis ntrc ntsc ntsf ntss nttr raaf raan raas raat rac- raca racc raci racs ract rafa rafc raff rafi raft raia raic raif raii rain rair rais rait rana ranc rani rann rans rant rara rarf rari rars rasa rasc rasi rass rast rata ratf rati rats ratt rcac rcaf rcas rccc rccs rcfc rcic rcis rcnr rcsa rcsc rcsi rcss rctc rcti rcts rffc rfic rftc riaa riai rian rias riat rica ricc rics rict rifa riff rifs rift riia riif riin riis rina rinf rinn riri rirs risa risc risi riss rist rita riti rits ritt rnaf rnai rnas rncs rnin rnnt rras rrat rrfc rrif rrna rrrr rsaa rsaf rsai rscc rscn rscs rsfc rsis rsna rsnn rsnr rssa rsts rtai rtan rtas rtca rtcc rtfc rtns rtss rtts s-ic s-ii sa-c saac saaf saan saar saas saat saca sacc saci sacn sacr sacs sact safa safc saff safi safr saft saia saic saif sain sair sais sait sana sani sann sanr sans sant sara sarc sarf sari sarn sarr sars sart sasa sasc sasf sasi sass sast sata satc sati satn satr sats satt scaa scac scaf scai scan scar scas scat sccc sccs scct scfa scfc scfi sci- scia scic scif scin scir scis scit scna scnr scnt scr- scra scrc scri scrn scrs scsa scsc scsi scsn scsr scst sctc sctn sctr scts sfar sfas sfca sfcc sfcs sffc sfia sfnt sfra sfrc sfss sfts siaa siac siaf siai sian sias siat sica sicc sici sics sifa siff sifr sift siit sina sini sinn sins sint sira sirc sirf siri sirr sirs sirt sisa sisc sisi siss sist sit- sita sitc siti sitn sits sitt snar snas snat snca sncc sncf snia snir snit snns snra snrs sntr sraf sras srcc srct srfc srfi sris srna srni srnn srta srtr ssaa ssac ssan ssas ssat ssca sscc ssci sscs ssfc ssin ssis ssit ssns ssra ssrc ssri ssrs sssa sssc sssf sssi ssss ssta sstc ssts stac stai stan star stas stat stca stcc stcs stfc stfn stia stic stif stir stis stit stnn stnr stns stra strc stri strn strs stsf stsi stss sttc sttr taa- taaf taan taar taas taat taca tacc taci tacs tact tafa tafc taff tafi taft taia tain tair tais tait tana tani tann tans tant tara tarc tarf tari tarn tarr tars tart tasa tasc tasi tasr tass tast tata tati tatr tats tatt tcca tccc tcfc tcnn tctc tcts tfca tfin tfrs tfsi tfss tftc tiaa tiaf tian tiar tias tica ticc tics tifa tiff tift tiit tina tinc tini tinn tins tint tira tiri tirr tirs tisa tisi tiss tist tita titc titi tits titt tnca tncc tnfc tnts traa trac traf trai tran tras trat trca trcc trfc trfr tri- tria tric trif trin tris trit trna trra trsi trst trtc trtr tsaa tsai tsar tsat tsca tscc tsfc tsia tsin tsis tsna tssa tssf tssi tssr tsst tstc tsts ttcn ttfa ttfc ttff ttfn ttss tttt