fff ffo ffr ffs ffu fjs fof foo for fos fou frf frj fro frr frs fru fsf fsj fso fsr fss fsu fuf fuo fur fus fuu jff jfj jfo jfr jfs jjf jjj jjr jjs jju jof joj joo jor jos jou jrf jro jrr jrs jsf jsj jso jsr jss jsu juf juo jur jus of- off ofo ofr ofs ofu ojo ojs oju oo- oof ooo oor oos or- orf oro orr ors oru os- osf osj oso osr oss osu ou- ouf ouo our ous rff rfj rfo rfr rfs rfu rjf rjr rof roj roo ror ros rou rrf rrr rrs rru rsf rsj rso rsr rss rsu ruf ruo rur rus ruu sff sfj sfo sfr sfs sfu sjf sjj sjr sjs sju sof soj soo sor sos sou sr- srf srj sro srr srs ss- ssf ssj sso ssr sss ssu suf suo sur sus suu uff ufj ufo ufr ufs ufu ujo ujs uoj uoo uor uos ur- urf uro urr urs uru usf usj uso usr uss usu uur uus uuu

-ous ffff ffrr ffss fofo foof foos for- forj foro forr fors foso foss four fous fros frou frso fsfo fssf fuff fufu fuor fur- furo furr furs fuso fuss fusu j-ro jffs jofr jojo joof joor joos jorf joro joso joss jour jous jssr jsss juju jurr jurs juss off- offo offr offs offu ofor ofus ojos ojus ooff oofs oooo ooos oous orff orfs orfu oro- orof oror oros orro orrs orso orsu oruj orus osoo osor osos osro osso ossu ouff ouju our- ouro ours ouu- roff rofo rojo rojs roof roor roos roro roru roso ross rouf rous rrrr rsos ruff rufo ruro rurs ruru ruso russ rusu s-os sfor sfos sfro sfss sfsu sjsu sjur sofo soju soof soor soos soro sorr sors soru soso soss souf sour sous sros ssrs sssf ssss suf- suff sufr sufs sufu suor suos sur- surf suro surr surs suru sus- suso suss susu suus ufos uofo uor- urff uro- uroo urso urss ursu urur urus usfs usos ussf ussr usss ussu usus uuuu

fofos foros forro forso forss forur forus fouju fouro fours fu-fu fuffs furo- furor furrs furus fuso- fusor fusus jofur jooss joosu jorus josso jossu jours ju-ju jujus juror juuru offof ofosu ofour ojuju ooooo orfor oroso orosu orsjo orujo oruro ososo ossos ossur osusu ouoro ro-ro rofor roofs rosso rosss rosu rsssf ruffo ruffs rufo- rufus rusor russo s-o-r sfouf sjors so-so sooru soror soros sorso sorsu sorus soss- sosus souff sours sous- sroof sssss suffr suffs surfs surju suruj surur surus susso susus ufofu urooj uros urour urous ursus usfor usjjo usour uuuuu

foofoo foofur forojs forros fosso fossor foufou fourof fourou furfur furors furour furrfu fusors joojoo jorjor jorour ju-jus jujo jurors jurour juso oooooo orojus orrour ossous ououso ousrou rofors roju ruffus rufous russo- russus sojour soosoo sorors sorous sorrus sorsor sourou sousou sssfrs suroso surroj susurr

foo-foo forssjo fossors fou-fou furrour jorrour jurours jurruru off-off ossjo sorfors sou-sou soujour sssssss suursoo usurous

fosforus froufrou sussurus susurrus

four-four frou-frou froufrous furfurous sous-sous susurrous

frou-frous