ffff ffii ffrr ffss fiff fifi fiii fiji fini finn fins firn firs fisi fiss fnrs frin fris frns fsfi fssf ifis ifni ifnr ifns ifrf ifri iiii iiis iirs iisi iisj iisr ijji infi infj infs inis inji inni innr inns inri inrs inss iri- irin iris irri irrs irsf isfj isin isis isri issf issi issr isss jffs jfin jiff jiji jini jinn jins jiri jssr jsss n-ii nfff nfrs nfsr niff niir niji nini nins nirs nisi niss nnnn nnss nsfs nsin nsis nsnr nssf nssr nsss riff rifs riif riin riis rijf riji rijn rijs rinf rinn riri rirs risi riss rnin rrif rrrr rsis rsnn rsnr s-ii sfij sfss siff sifr sini sinj sinn sins sirf siri sirr sirs sisi siss sjis snir snns snrs srfi sris srni srnn ssin ssis ssns ssri ssrs sssf sssi ssss