nssc nssf nssr nsss raaf raag raan raas rac- raca racc raci racs rafa rafc raff rafi raga ragg ragi rags raia raic raif raig raii rain rair rais rana ranc rang rani rann rans rara rarf rari rars rasa rasc rasi rass rcac rcaf rcas rccc rccs rcfc rcga rcgc rcic rcis rcnr rcrg rcsa rcsc rcsi rcss rffc rfgs rfic rgan riaa riai rian rias rica ricc rics rifa riff rifs riga rigg rigi rigs riia riif riin riis rina rinf ring rinn riri rirs risa risc risi riss rnaf rnag rnai rnas rncs rngs rnin rras rrfc rrif rrna rrrr rsaa rsaf rsai rscc rscn rscs rsfc rsgc rsis rsna rsnn rsnr rssa s-ic s-ii sa-c saac saaf saag saan saar saas saca sacc saci sacn sacr sacs safa safc saff safi safr saga sagg sagi sags saia saic saif sain sair sais sana sang sani sann sanr sans sara sarc sarf sarg sari sarn sarr sars sasa sasc sasf sasi sass scaa scac scaf scag scai scan scar scas sccc sccs scfa scfc scfg scfi scgs sci- scia scic scif scin scir scis scna scnr scr- scra scrc scri scrn scrs scsa scsc scsi scsn scsr sfar sfas sfca sfcc sfcg sfcs sffc sfia sfra sfrc sfss sgaa sgac sgca sgcg sggg sggs sgic sgss siaa siac siaf siag siai sian sias sica sicc sici sics sifa siff sifr siga sigg sigi sign sigs sina sing sini sinn sins sira sirc sirf siri sirr sirs sisa sisc sisi siss snag snar snas snca sncc sncf snia snig snir snns snra snrs sraf sras srcc srfc srfi sris srna srni srnn ssaa ssac ssan ssas ssca sscc ssci sscs ssfc ssgs ssin ssis ssns ssra ssrc ssrg ssri ssrs sssa sssc sssf sssi ssss