srni srnn srno sros srpc srps srsp sscc ssci sscp sscs ssin ssis ssns ssoc ssop sspc sspo ssps ssrc ssri ssrs sssc sssi ssss syco sycr syis syn- sync syns syny syon sypo syro syrs syry syso syss szin szis szoc szss yccc yins yinz yips yirn yirr yiss ynon yoni yono yons yoon yoop yooz yopo yopy yori yorn yoro yory yosi yoso yoyn yoyo yozo ypcc ypir ypsi yrin yron yryn ysco ysii ysnp yson ysop yspi yyyy z-ro zico zics ziip zinc zinn zino zins zion zipp zips zirc ziri ziro zirp zisi ziyi zizi zizz zoco zoic zoio zois zon- zoni zons zony zoo- zoon zoop zoos zopy zorc zori zorn zoro zors zory zoso zoss zozo zrin zsss zypp zyyi zzzs zzzz