psps pssc pssm psso psy- psys pyg- pygg pyic pyin pym- pyms pyn- pyo- pyon pyos pypy pyss s-ic s-ii s-os sccc sccm sccp sccs sccy scgp scgs sci- scic scim scin scio scip scis scmc scmm scmo scmp scms scog scom scon scoo scop scpi scpm scpo scps scsc scsi scsn scso scyn sgcg sggg sggs sgic sgio sgps sgsm sgss sicc sici sicm sico sicp sics sigg sigi sign sigo sigs sigy siim simi simm simo simp sims simy sing sini sinn sino sinp sins siny sion siop sios sipc sipi sipo sipp sips sipy sisc sisi siss sisy siyi smcc smcp smgs smic smig smin smis smnc smoc smog smon smos smoy smps smsc smsn smsp smss sncc snco sncp snig snip snmp snns snoc snog snom snoo snop snos snpg snpo snpp snsy snys soci socm soco socs socy sogi sogn sogo sogs soic soim soin sois somi somm somn somo somy son- song soni sono sons sony soog soom soon soop soos sooy sopi sopo sopp sops sopy sosi soso soss soyo soys spcc spco spcs spic spig spim spin spio spip spis spmi spms spns spoc spon spoo spop spos spoy spps spso spsp spss spy- spys sscc ssci sscp sscs ssgs ssin ssis ssmc ssns ssoc ssop sspc sspo ssps sssc sssi sssm ssss syco sygn syis sym- symi syms syn- sync syng syns syny syon sypo syso syss yccc ygon ying yins yips yiss ymci ymns ympn ynon yogi yogo yomi yomo yomp yong yoni yono yons yoon yoop yopo yopy yosi yoso yoyn yoyo ypcc ypsi ysco ysii ysnp yson ysop yspi yyyy