kusc kusd kusf kuso kusu kuuk kuur kuuu occc occi ocds ocis ocks ocos ocro ocrr ocrs ocur odci oddd oddi odds odic odio odir odis odiu odoo odor odos odou odso odur odus ofcr ofdr off- offc offo offr offs offu ofid ofik ofor ofus oici oick oido oids oiii oiko oiks oios oisc oisd oisu okcu okic okir okko okok okor okro oksi okso okur okus oocr oodi ooff oofs ooid ooku oooo ooos oord oosi oous orci orco orcs ordo ords ordu orff orfi orfs orfu ori- oric orid orif orio oris orko oro- orof orok oror oros orri orro orrs orsi orsk orso orsu orus oscc osci osco osdi osii osik osis oski osku osoi osoo osor osos osrd osro ossd ossi osso ossu oucc oudc ouds oufc ouff ouii ouir ouis our- ouro ours ousd ouu- rccc rccs rcdc rcds rcfc rcic rcid rcis rcos rcrd rcsc rcsd rcsi rcss rdio rdoc rdos rdso rfdi rfds rffc rfic rfid ricc rick rico rics ridc ridd ridi rido rids riff rifs rifu riif riis riki rikk riku rios riou riri rirs risc risd risi risk riso riss risu rius rkkf rkos rkss rocc rock roco rocs rodd rodi rodo rods rofc roff rofo roid roif roik roio roir rois roiu roki rokk roko rokr roks roku rood roof rooi rook roor roos rorc rori rork roro roru rosc rosi roso ross roud rouf rouk rous rrfc rrif rrrr rscc rscs rsdd rsds rsfc rsid rsis rsos ruci ruck rudd rudi rudo ruds rufc ruff rufo ruid ruif ruis ruki rukk ruku ruok rurc rurd ruri ruro rurs ruru rusi rusk ruso russ rusu ruud s-ic s-ii s-os sccc sccs scdc scdf scds scfc scfi sci- scic scid scif scio scir scis sck- scok scoo scor scr- scrc scri scrs scsc scsd scsi scso scsr scsu scud scur sdcc sdco sddc sdds sdfc sdic sdif sdio sdrc sdrs sdsc sdsf sdss sdsu sfcc sfco sfcs sfdc sfdk sffc sfio sfor sfos sfrc sfro sfss sfsu sicc sici sick sico sics sicu sidd sidi sido sidr sids siff sifo sifr sifu siik siki siko sikr siks siku siod sior sios siou sirc sirf siri sirk siro sirr sirs siru sisc sisd sisi sisk siss sisu siui sius skfc skic skid skif skik skio skir skis skiu skor sksd skss skud skui skur soci sock soco socr socs sodd sodo sods sodu sofi sofo soic soif soik soir sois soki sokk soko soku sood soof sook soor soos sord sori soro sorr sors soru sosi soso soss soud souf souk sour sous srcc srfc srfi sris sros srsd sscc ssci sscs ssdc ssdd ssdf ssfc ssid ssis ssoc ssrc ssri ssrs sssc sssf sssi ssss suc- succ suci suck sucr sucs sudd sudi sudo suds suf- sufc suff sufi sufr sufs sufu suid suio suir suis suki suks suku suor suos sur- surc surd surf suri suro surr surs suru sus- susd susi susk suso suss susu suus ucci ucdc ucdd ucio ucos ucrc ucsc ucsd ucsf ucsu uddi udds udic udid udir udoo udos udsd uduk ufcu ufos ufuk uirr uisd ukcc ukko ukok ukrc uksc ukur uocc uofo uor- urci urds urdu urff urfi uric urif urik uris uriu uro- urok uroo urri ursi urso urss ursu uruk urur urus us-k uscc uscf usco uscs usdc usdf usdo usds usfc usfi usfs usif usis usoc usoi usos ussc ussf ussr usss ussu usui usus uuoc uuri uusi uuuu