dous dred dree dref drek dres drfc drod drof drou drrs drue druk drus druu dscc dscr dscs dsdr dsfc dsos dsrc dsrr dssc duce duck duco ducs dudd dude dudo duds dudu duer dues dufc duff dufu duke duku duo- duos dure durk duro duru duse dusk duur eccc ecce ecco ecdc ecdf eced ecef eces ecfc ecfr ecfs ecko ecks eco- ecod ecos ecou ecrc ecrf ecrr ecru ecsc ecse ecss ecsu ecus eddc edde eddo edds ede- eder edes edfu edoc edod edos edou edru edss educ edur eecs eede eedu eeee eees eefe eeke eeks eeoc eerc eero eers eese eesk efco efeo efes effs efke efor ekco eked ekek eker ekes ekfc ekos ekur eocd eode eoes eore eous ercc erce erde erdf erds erec ered erer eres erfc erfs erke erks eroc erod eroe eroo eros errc erre erro errs erse erso eruc erur erus esce esco escr escs escu esds esdu esee esek eseo eser eses esfs eske esko esks esku eso- esok esos esrd esse esso essu esuf esus eucd eude euer eufc euos eur- eurc eure euro euse f--k fccf fcds fces fcsc fcuk fdoc fdos fece feck fede feds feed feek feer fees fefc fefe feff fefo feke feko feod feof ferc ferd fere ferk fero ferr fers feru fese fess feud feus ffcc ffee ffff ffrr ffss foce fock foco focs fode foed foer foes fofo foke food foof fook foos for- ford fore fork foro forr fors foso foss foud four fous frcc fred free freo fres frfc froe fros frou frsc frso frue fscc fsck fsec fsfo fssc fssf fuc- fuck fudd fude fufc fuff fufu fuke fukk fuko fuku fuor fur- fure furo furr furs fusc fusd fuse fusk fuso fuss fusu k-os kccc kccd kcck kccr kccu kcdc kcdd kcdr kcds kcdu kcec kced kcee kceo kceu kcfc kcfd kcfo kckc kckf kckk kcko kckr kcoe kcof kcor kcos kcou kcrc kcro kcrr kcrs kcru kcsc kcsd kcse kcsf kcsr kcss kcsu kcue kcuf kcuk kdcc kdcd kdce kdco kdcr kddc kddd kddf kddk kddr kdec kdef kdfc kdfo kdfr kdkd kdkk kdko kdkr kdoc kdoe kdok kdrf kdro kdrs kdsc kdsd kdsk kdsr kdss kdsu kduc kdur kdus keck keco kecr kedc kedd kede kedo kedr keds keed keef keek keer kees kefc keff kefr kefs kekc keke keko keks keku keok keos ker- kerc kere kerf kerk kero kerr kers keru kesc kesd kesk keso kesr kess keur keus kfcd kfcf kfco kfcr kfcs kfed kfer kfff kffk kfok kfoo kfor kfrc kfrd kfre kfro kfrr kfrs kfru kfsd kfse kfsk kfsr kfuo kkcd kkck kkco kkcr kkcs kkdc kkdd kkdo kked kkfr kkfs kkkk kkoo kkor kkrc kkre kkrf kkrk kkro kkrr kkrs kksd kkse kksf kksr kkss kksu kkus kkuu kocd kocf kock kocs kode kodk kodo kods kodu koed koes kofc kofe koff kofk kofo kofu kokc koke kokf kokk koko kokr koks koku kooc kook kooo koor koos koou korc kord kore korf kork koro korr kors koru kos- kosc kosd kose kosf koso kosr koss kosu koue kour kous kouu krcc krcd krce krco krcs krcu krdc krdd krde krdo krdr krds krdu krec kred kree kref krek kreo kres kreu krfc krfd krfe krff krfo krfs krkc krkd krke krkk krko krkr krks krku kroc krod kroe krof krok kroo kror kros krrc krre krrf krrk krro krrr krrs krsc krsd krse krsf krsk krsr krss krsu kruc krue kruf kruk krur ksce ksck ksco kscr kscs kscu ksdc ksdk ksdr ksds ksec ksed ksee ksek kseo kser ksfc ksfe ksfo ksfr kskd kske kskf kskk ksko kskr ksks ksku ksoc ksof ksok ksoo ksor ksos ksou ksrf ksro ksrr ksrs ksse ksso kssr ksss kssu ksud ksue ksuu kucc kucd kuce kuco kucr kudd kude kudo kudu kued kuek kues kueu kufc kuff kufo kufr kuke kukk kuks kuku kuok kuoo kuos kurd kure kurk kuro kurr kurs kuru kusc kusd kusf kuso kusu kuuk kuur kuuu o-eo occc ocds oce oced ocee ocef ocke ocks ocos ocre ocro ocrr ocrs ocur oddd odds oded odeo oder odes odoo odor odos odou odso odur odus oec- oecc oedo oeds oeec oere oers oese oeuf ofcr ofdr ofek ofer off- offc offe offo offr offs offu ofor ofre ofus okcu oked oker okes okko okok okor okre okro okso okur okus oocr ooer ooes ooff oofs ooku oooo ooos oord oore oose oous orce orco orcs orde ordo ords ordu ore- orec ored orek oreo orer ores orfe orff orfs orfu orke orko oro- oroe orof orok oror oros orro orrs orse orsk orso orsu orus oscc osce osco osec osed osee osek oser oses osku osoo osor osos osrd osro ossd osse osso ossu oucc oudc oude ouds oued ouer oufc oufe ouff our- oure ouro ours ousd ouse ouu- rccc rccs rcdc rcde rcds rcfc rcos rcrd rcsc rcsd rcss rder rdoc rdos rdso recc recd rece reck recr recs recu redc redd rede redo redr reds redu reed reef reek rees refd refe reff refr refs refu reke reko reks reod reof reos reou rerd rere rero rers reru rese reso ress reue reuf reuk reus reuu rfds rfef rffc rkkf rkos rkss rocc roce rock roco rocs rodd rode rodo rods roed roer roes rofc rofe roff rofo roke rokk roko rokr roks roku rood roof rook roor roos rorc rore rork roro roru rosc rose roso ross roud roue rouf rouk rous rred rrfc rrrr rscc rscs rsdd rsds rsee rsfc rsos rsre ruce ruck rudd rude rudo ruds rued ruer rues rufc rufe ruff rufo ruke rukk ruku ruok rurc rurd rure ruro rurs ruru ruse rusk ruso russ rusu ruud s-os sccc scce sccs scdc scdf scds scec scee scer scfc scfe sck- scok scoo scor scr- scrc scre scrs scsc scsd scso scsr scsu scud scur sdcc sdco sddc sdds sdef sder sdes sdfc sdrc sdrs sdsc sdsf sdss