rire riri rirs risc rise risi risk riss rkss rncs rngs rnie rnin rrrr rscc rscn rscs rsee rsgc rsis rsnn rsnr rsre s-ic s-ii sccc scce sccs scec scee sceg scer scgs sci- scic scie scin scir scis sck- scnr scr- scrc scre scri scrn scrs scsc scsi scsn scsr se-c se-e se-g se-i se-k se-n se-s sec- secc sece secg seck secn secr secs seec seeg seek seen seer sees sege segg segi segs seie seii seik sein seir seis seke seki sekk sene seng seni senn senr sens serc sere serg seri serk sern serr sers sesc sese sesi sess sgce sgcg sger sges sggg sggs sgic sgss sicc sice sici sick sics siec sieg siek sien sier sies sige sigg sigi sign sigs siik sike siki sikr siks sine sing sini sink sinn sins sirc sire siri sirk sirr sirs sisc sise sisi sisk siss skee skeg skei sken sker skes skic skie skig skik skin skir skis skn- skss sncc snee sneg sner snes snie snig snir snns snrk snrs srcc srec sres sris srni srnn sscc ssce ssci sscs ssec ssee sses ssgs ssin ssis ssns ssrc ssrg ssri ssrs sssc sssi ssss