rorc rori roro rory rosc rosi roso ross rosy royn roys rrrr rsbi rscc rscn rscs rscy rsgb rsgc rsis rsnn rsno rsnr rsos ryis ryng rynn ryob ryon rysy s-ib s-ic s-ii s-os sbbs sbcc sbcs sbic sbig sbor sbsi scbi sccc sccs sccy scgs sci- scic scin scio scir scis scnr scob scog scon scoo scor scr- scrc scri scrn scrs scry scsc scsi scsn scso scsr scyn sgcb sgcg sggg sggs sgic sgio sgro sgss sibc sibi sibo sibs siby sicc sici sico sics sigg sigi sign sigo sigs sigy sing sini sinn sino sins siny sion sior sios sirc siri siro sirr sirs sisc sisi siss sisy siyi sncc snco snib snig snir snns snob snoc snog snoo snor snos snrs snsy snys sobo sobr sobs soci soco socr socs socy sogi sogn sogo sogs soic soin soir sois son- song soni sono sons sony soog soon soor soos sooy sorb sorg sori sorn soro sorr sors sory sosi soso soss soyo soys srbc srby srcc srgb srib sris srni srnn srno sros ssbn ssbr ssby sscc ssci sscs ssgs ssin ssis ssns ssoc ssrc ssrg ssri ssrs sssb sssc sssi ssss sybo syco sycr sygn syis syn- sync syng syns syny syon syro syrs syry syso syss ybbs ybor ybry yccc ycsb ygon ygor ying yins yirb yirn yirr yiss ynon yobi yobo yobs yogi yogo yong yoni yono yons yoon yori yorn yoro yory yosi yoso yoyn yoyo yrin yron yryn ysby ysco ysii yson ysyb yyyy