-ous gggg ggpo ggss gigg gigi gigo gigs giis giog gioi giop gipi gipp gips giss gius gogi gogo gogs goip gois goog gooi goop goos gopi gopo gops gopu gosi goso goss gosu gou- goug goup gous gpgp gpip gpos gpsg gpsi gpso gpss gsis gsos gugg gugi gugu guis guos gups guss guus i-go iggs igis igoo igso igsp igus iiii iiio iiis iioi iioo iiop iios iisi iisp iisu ioii ioio iooi iooo ioos iops ioso iosu ioug ious ipop ipos ippo ipsi ipso ipsp ipss ipus isis iso- isop isos isps issi isso issp isss issu isup isus iugs iuiu iupp iuss oggi ogog ogoi ogou ogpu ogsi ogui ogus oigo oiii oios oisu oooo ooos oops oosi oous opii opio opis opo- opos oppi oppo opps opsi opsu opus osgi osii osip osis osoi osoo osos ossi osso ossu ouii ouis ouu- pgou pgpu pgss pgup pigg pigo pigp pigs pigu piip pipi pipo pipp pips pisg pisi piso piss pisu pius pogg pogo pogs poio pois poop poos pop- popi popo popp pops posi poso poss poui poup pous ppgi ppig ppos pppo pppp ppps ppss psgi psip psis psoi psos psou pspi pspp psps psso pugo pugs pugu puig puis puiu pupi pups pupu pusi puss s-ii s-os sggg sggs sgio sgps sgss sigg sigi sigo sigs siop sios siou sipi sipo sipp sips sisi siss sisu siui sius sogi sogo sogs sois soog soop soos sopi sopo sopp sops sopu sosi soso soss soup sous spig spio spip spis spoo spop spos spps spso spsp spss spug spui spus ssgs ssis ssop sspo ssps sssi ssss sug- sugg sugi sugo suig suio suis suos sup- supo supp sups sus- susi suso susp suss susu suus uggo uggs ugis ugos uguu uipi upgo upis upos uppp uppu upsi upup usgo usgp usip usis usog usoi usos uspo uspp usps usss ussu usui usus uusi uuuu