srim sris sros srps srpx srsd srsp ssaa ssam ssao ssap ssas ssdd ssdm ssdp ssid ssis ssop sspa sspo ssps sspx ssra ssri ssrm ssrs sssa sssi sssm ssss syam syar sydi syds syia syis sym- syma symi syms sypo syra syro syrs syry syso syss xaar xado xads xaos xapi xapo xara xdmx xdos xiao xiap xidi xiii xima xisi xixi xmap xmas xmax xmdp xmdr xmii xmms xmos xmpp xois xoom xoro xorp xors xosa xoxo xoyo xpax xpra xray xrds xrod xxii xxix xxxi xxxo xxxx xxxy xyr- yaar yaas yada yado yads yaid yair yama yami yamm yamo yamp yams yaoi yapa yapp yaps yara yard yari yarm yaro yarp yarr yars yary yasa yasi yasm yaso yass yaxa yaxi yaya yayo yays ydad yday yida yidi yids yima yips yird yirm yirr yiss ymad ymar ymas ymax ymir ymyd yoar yoax yoda yodo yods yoix yoma yomi yomo yomp yood yoop yopo yopy yord yori yoro yory yosi yoso yoyo ypir ypoa ypsi yrad yrsa ysay ysii ysop yspi yyyy