-ous ffff ffrr ffss flog floo flor flos flou fluf fluo flur flus fofo fogg fogl fogo fogs foll folo folr fols foof fool foos for- forg forl foro forr fors foso foss foug foul four fous frog frol fros frou frso frug fsfo fsgs fssf fuff fufu fugo fugs fugu full fuls fulu fuor fur- furg furl furo furr furs fuso fuss fusu gfor ggfg gggg ggss glof glog glor glos glou glro glug glur goff gofr gofu gogo gogs golf goll golo gols golu goof goog gool goor goos gorf gorg goro gorr gors goso goss gosu gou- gouf goug goul gour gous grof grog grol groo gror gros grou grrl grrr grrs grss gruf grug grur grus gsos gsur guff gugg gugu gulf gull gulo guls gulu guos gurg gurl guro gurr gurs guru guss guus lgfl llll lloo loff log- logo logs loll lolo lols loof lool loor loos loro lors loso loss loul lour lous louu lrrr ls-r lsof lsso lssr luff lufu lugg lugo lugs lugu lull lulu lurg lurs luso luss off- offo offr offs offu ofgo ofor ofus ogfr ogog ogou ogro ogus olfs olgr ollo olof olog olor olos olur ooff oofs oolo oooo ooos oous orff orfs orfu orgo orgs orlo orlu oro- orof oror oros orro orrs orso orsu orus oslo osoo osor osos osro osso ossu osul ouff ouls oulu our- ouro ours ouu- rffl rfgs rlls rlug roff rofl rofo rogg rogo rolf roll rolo roof roog rool roor roos roro roru roso ross rouf roul rous rrrr rsos rssl ruff rufo rugg rugs rull rulo ruro rurs ruru ruso russ rusu s-os sfls sfog sfor sfos sfro sfss sfsu sggg sggs sglr sgls sgro sgss slog sloo slos slrs slsu slug slur sofo sogo sogs solf soll solo solr sols soof soog sool soor soos sorg soro sorr sors soru soso soss souf soul sour sous sros ssfl ssgs ssrg ssrl ssrs sssf ssss suf- suff sufr sufs sufu sug- sugg sugo sul- sulf sull sulo sulu suor suos sur- surf surg suro surr surs suru sus- suso suss susu suus ufos uggo uggs ugol ugos ugro ugur uguu ullo ullr ulo- ulog ulos ulul ulus uofg uofl uofo uor- urff urgu urls uro- urol uroo urso urss ursu urur urus usfl usfs usgo uslu usog usos ussf ussr usss ussu usul usus uulu uuuu