smos smoy smps smsd smsp smss smug smus sobo sobp sobs sobu sodd sodo sods sodu sody sogo sogs sold soll solo solp sols soly somb soml somm somo somy sood soog sool soom soop soos sooy sopd sopo sopp sops sopu sopy soso soss soud soul soum soup sous soyo soys spby spdl spdm spdp spdy spgb splo splp spls spmd spms spod spoo spop spos spoy sppd spps spsd spso spsp spss spud spug spus spy- spys ssby ssdd ssdm ssdp ssgs sslp ssml ssop sspl sspo ssps sssb sssm ssss sub- subb subd subg subl subm subo subs sudd sudo suds sug- sugg sugo sul- suld sull sulm sulo sulp sulu sum- sumd sumo sump sums sumu sumy suos sup- supo supp sups supy sus- susd suso susp suss susu susy suum suus suyo suyu sybo syds syl- syll syls sym- syms sypo syso syss ubbo ublo ubls ubly ubod ubos ubud udds udgb udoo udop udos udpd udsd udsl uggo uggs ugly ugod ugol ugos uguu ullo ully ulmo ulmu ulo- ulog ulos ulul ulum ulus ulys umb- umbo umgo ummg ummo umms umol umpg umps umsp umsu umus uoml uomo upby updm updo upgo uplb uplo upml upmy upos uppp uppu uppy upsy upup usbl usbs usdl usdm usdo usdp usds usgo usgp uslp uslu usmd usmm usmp usms usog usos uspo uspp usps ussb usss ussu ussy usul usus uulu uuuu uydo ybbs ydul yguo ylds ylls ymyd yobo yobs yodo yods yogo yold yoll yolo yolp yoly yomo yomp yood yool yoop yopo yopy yoso youb youd youl youp yous yoyo ysby ysop yssu ysyb yubu yudo yudu yugg yugo yugs yugu yulo yuls yulu yump yups yuyu yyyy