reri rero rers rese resi resn reso ress rfef rffc rfic ricc rice rico rics rief rien rier ries rife riff rifs riif riin riis rine rinf rinn rino rion rios rire riri rirs risc rise risi riso riss rnco rncs rnie rnin rocc roce roco rocs roen roer roes rofc rofe roff rofo roif roin roio roir rois ronc rone roni rono rons roof rooi roon roor roos rorc rore rori roro rosc rose rosi roso ross rrfc rrif rrrr rscc rscn rscs rsee rsfc rsis rsnn rsno rsnr rsos rsre s-ic s-ii s-os sccc scce sccs scec scee scer scfc scfe scfi sci- scic scie scif scin scio scir scis scnr scon scoo scor scr- scrc scre scri scrn scrs scsc scsi scsn scso scsr se-c se-e se-f se-i se-n se-o se-s sec- secc sece secn seco secr secs seec seef seen seer sees seff sefi seie seif seii sein seir seis sene seni senn seno senr sens seoc seoi seon serc sere serf seri sern sero serr sers sesc sese sesi seso sess sfcc sfco sfcs sfer sffc sfio sfne sfor sfos sfrc sfro sfss sicc sice sici sico sics siec sief sien sier sies sife siff sifo sifr sine sini sinn sino sins sioe sion sior sios sirc sire sirf siri siro sirr sirs sisc sise sisi siss sncc sncf snco snee sner snes snie snir snns snoc snoo snor snos snrs soce soci soco socr socs soec soen soeo soes sofi sofo soic soie soif soin soir sois son- sone soni sono sons soof soon soor soos sore sori sorn soro sorr sors sose sosi soso soss srcc srec sreo sres srfc srfi sris srni srnn srno sros sscc ssce ssci sscs ssec ssee sses ssfc ssin ssis ssns ssoc ssrc ssri ssrs sssc sssf sssi ssss