rolk roll rolo ronc rong roni ronk rono rons roob roog rooi rook rool roon roor roos rorc rori rork roro rosc rosi roso ross rrrr rsbi rscc rscn rscs rsgb rsgc rsis rslc rsnn rsno rsnr rsos rssl s-ib s-ic s-ii s-os sbbs sbcc sbcs sbic sbig sbor sbrk sbsi scbi sccc sccl sccs scgs sci- scic scil scin scio scir scis sck- sckl scl- sclc sclk scls scnr scob scog scok scol scon scoo scor scr- scrc scri scrn scrs scsc scsi scsl scsn scso scsr sgcb sgcg sggg sggs sgic sgio sglr sgls sgnl sgro sgss sibc sibi sibo sibs sicc sici sick sico sics sigg sigi sign sigo sigs siik siki siko sikr siks sil- silc sili silk sill silo sils sing sini sink sinn sino sins siol sion sior sios sirc siri sirk siro sirr sirs sisc sisi sisk siss skic skig skik skil skin skio skir skis skn- skog skol skon skor skss sl-i slcc slib slic slig slik slir slln slob sloc slog slon sloo slos slrc slrn slrs slsc sncc snco snib snig snir snns snob snoc snog snoo snor snos snrk snrs sobo sobr sobs soci sock socl soco socr socs sogi sogn sogo sogs soic soik soil soin soir sois soki sokk sokn soko soli solk soll soln solo solr sols son- song soni sonk sono sons soog sook sool soon soor soos sorb sorg sori sorn soro sorr sors sosi soso soss srbc srcc srgb srib sris srni srnn srno sros ssbn ssbr sscc ssci sscs ssgs ssin ssis sslc ssns ssoc ssrc ssrg ssri ssrl ssrs sssb sssc sssi ssss