gggg ggpo ggss gogo gogs goog goop goos gopo gops goso goss goys gpgp gpos gpsg gpso gpss gsos gypo gyps gyss oggy ogog oooo ooos oops opo- opos oppo opps oppy opsy osoo osos osso ossy osyp oyss pgss pogg pogo pogs pogy poop poos pop- popo popp pops popy poso poss posy poyo poys ppos pppo pppp ppps ppss psos pspp psps psso psy- psys pyg- pygg pyo- pyos pypy pyss s-os sggg sggs sgps sgss sogo sogs soog soop soos sooy sopo sopp sops sopy soso soss soyo soys spoo spop spos spoy spps spso spsp spss spy- spys ssgs ssop sspo ssps ssss sypo syso syss yogo yoop yopo yopy yoso yoyo ysop yyyy