rpho rphs rpii rpix rpon rpos rppn rpps rrhs rrrr rrsp rscc rsch rscn rscs rshs rsis rsnn rsno rsnr rsos rspo rsps s-ic s-ii s-os sccc sccp sccs sch- schh schi scho schr schs sci- scic scin scio scip scir scis scnr scoh scon scoo scop scor scox scpi scpo scps scr- scrc scri scrn scrs scsc scsh scsi scsn scso scsr shcc shcp shhh shhs shih shii shin shio ship shir shis shon shoo shop shor shos shox shps shri shrp shrs shsc sicc sich sici sico sicp sics sihi sihr sihs sinh sini sinn sino sinp sins sion siop sior sios siox sipc sipi sipo sipp sips sirc siri siro sirp sirr sirs sisc sish sisi siss sixo sixx sncc snco sncp snhs snip snir snns snoc snoo snop snor snos snpo snpp snrs soch soci soco socr socs socx sohh sohn soho sohp sohs soic soin soir sois son- soni sono sons soon soop soor soos soph sopi sopo sopp sops sorh sori sorn soro sorr sors sosh sosi soso soss soxs spcc spco spcs sphr sphs spic spin spio spip spir spis spix spns spoc spon spoo spop spor spos spox spps spri spro sprs spso spsp spss srcc srch srhs sris srni srnn srno sros srpc srps srpx srsp sscc ssci sscp sscs sshs ssin ssis ssns ssoc ssop sspc sspo ssps sspx ssrc ssri ssrs sssc sssh sssi ssss xcii xcis xcon xcri xhhp xhoi xhri xico xics xiii xion xiph xisi xixi xoco xois xorn xoro xorp xors xoxo xpcc xpin xsin xson xxii xxix xxxi xxxo xxxx