osrd osro ossd osse osso ossu osul oucc oudc oude ouds oued ouer oufc oufe ouff ould oule ouls oulu our- oure ouro ours ousd ouse ouu- rccc rccs rcdc rcde rcds rcfc rcle rcls rcos rcrd rcsc rcsd rcsl rcss rder rdoc rdos rdso recc recd rece recr recs recu redc redd rede redl redo redr reds redu reed reef reel rees refd refe reff refl refr refs refu reld rele rell relo rels reod reof reol reos reou rerd rere rero rers reru rese reso ress reue reuf reul reus reuu rfds rfef rffc rffl rlcs rlds rlee rlef rleu rlls rocc roce roco rocs rodd rode rodo rods roed roel roer roes rofc rofe roff rofl rofo rold role rolf roll rolo rood roof rool roor roos rorc rore roro roru rosc rose roso ross roud roue rouf roul rous rred rrfc rrle rrrr rscc rscs rsdd rsdl rsds rsee rsfc rslc rsos rsre rssl ruce rudd rude rudl rudo ruds rued ruel ruer rues rufc rufe ruff rufo rule rull rulo rurc rurd rure ruro rurs ruru ruse ruso russ rusu ruud s-os sccc scce sccl sccs scdc scdf scds scec scee scel scer scfc scfe scl- sclc scls scol scoo scor scr- scrc scre scrs scsc scsd scsl scso scsr scsu scud scul scur sdcc sdco sddc sdds sdef sder sdes sdfc sdlc sdls sdrc sdrs sdsc sdsf sdsl sdss sdsu se-c se-d se-e se-f se-o se-s se-u sec- secc secd sece seco secr secs secu sede sedo seds seec seed seef seel seer sees seeu seff sefl seld sele self sell selo sels selu seoc seod seol serc serd sere serf sero serr sers seru sesc sese seso sess seul seur sfcc sfco sfcs sfdc sfer sffc sflc sfls sfor sfos sfrc sfro sfss sfsu slcc slcd slcu slds sled slee sler sles sloc slod sloe sloo slos slrc slre slrs slsc slsu sluc slud slue slur soce socl soco socr socs sodd sode sodo sods sodu soec soel soeo soes sofo sold sole solf soll solo solr sols sood soof sool soor soos sord sore soro sorr sors soru sose soso soss soud soue souf soul sour sous srcc srde srec sreo sres srfc sros srsd sscc ssce sscs ssdc ssdd ssdf ssec ssee sses ssfc ssfl sslc ssle ssoc ssrc ssrl ssrs sssc sssf ssss suc- succ sucr sucs sudd sude sudo suds sued suee suel suer sues sueu suf- sufc suff sufr sufs sufu sul- sulc suld sule sulf sull sulo sulu suor suos sur- surc surd sure surf suro surr surs suru sus- susd suse suso suss susu suus ucdc ucdd ucel uces ucos ucrc ucsc ucsd ucsf ucsu udds udel uder udoo udos udsd udsl uele uell uers uess ufcu ufel ufer uffe ufos ulcc ulco ulde ulee uleo ules ulfe ulle ullo ullr ulo- uloc ulos ulul ulus uocc uofl uofo uolc uor- uore urde urds urdu ure- ured ures urfe urff urle urls uro- urol uroo urre urse urso urss ursu urur urus uscc usce uscf usco uscs usdc usde usdf usdl usdo usds used usee usef usel user uses usfc usfl usfs usle uslu usoc usoe usos ussc usse ussf ussr usss ussu usul usus uulu uuoc uuuu