gggg ggpo ggss gigg gigi gigo gigs giis giog gioi giop gipi gipp gips giss gogi gogo gogs goip gois goog gooi goop goos gopi gopo gops gosi goso goss goys gpgp gpip gpos gpsg gpsi gpso gpss gsis gsos gypo gyps gysi gyss i-go iggs iggy igis igoo igso igsp iiii iiio iiis iioi iioo iiop iios iisi iisp ioii ioio iooi iooo ioos iops ioso ipop ipos ippo ippy ipsi ipso ipsp ipss isis iso- isop isos isps ispy issi isso issp isss issy isys iyos oggi oggy ogog ogoi ogsi oigo oiii oios oooo ooos oops oosi opii opio opis opo- opos oppi oppo opps oppy opsi opsy osgi osii osip osis osoi osoo osos ossi osso ossy osyp oyss pgss pigg pigo pigp pigs piip pipi pipo pipp pips pipy pisg pisi piso piss pisy piyo piys pogg pogo pogs pogy poio pois poop poos pop- popi popo popp pops popy posi poso poss posy poyo poys ppgi ppig ppos pppo pppp ppps ppss psgi psip psis psoi psos pspi pspp psps psso psy- psys pyg- pygg pyo- pyos pypy pyss s-ii s-os sggg sggs sgio sgps sgss sigg sigi sigo sigs sigy siop sios sipi sipo sipp sips sipy sisi siss sisy siyi sogi sogo sogs sois soog soop soos sooy sopi sopo sopp sops sopy sosi soso soss soyo soys spig spio spip spis spoo spop spos spoy spps spso spsp spss spy- spys ssgs ssis ssop sspo ssps sssi ssss syis sypo syso syss yips yiss yogi yogo yoop yopo yopy yosi yoso yoyo ypsi ysii ysop yspi yyyy