-ous c-cd cccc cccs cccu ccdc ccds ccoc ccod ccsd ccss ccst cctc cctt ccuc ccus ccut cdcs cdos cdot cdss ckck ckco ckcs ckdo ckdu ckoc ckoo ckos ckot ckso ckst ckts cock coco coct cocu codd cods cok- coko cood cook coos coot cosc coso coss cost cotc coto cots cott cotu coud couk cous cout cscc cscd csco cscs csks csos csot cssd cstc cstd csto csts csus ctos ctot ctsc ctss ctsu ctts cucc cuck cuds cuk- cusd cusk cuso cuss cust cusu cut- cutc cuto cuts cutt dccc dccs dcct dccu dcds dcos dcsc dcss dctc dcts dddd ddoc ddot ddss ddts dkdc dock doco docs doct docu dod- dodd dodo dods doko dood dook doos doot dosk doso doss dost dotd dotk doto dots dott douc doud douk dous dout dscc dscs dsos dssc dsst dstc dsto dsts dtcc dtot dtss duck duco ducs duct dudd dudo duds dudu dukt duku duo- duos dusk dust duts duut k-os kccc kccd kcck kcct kccu kcdc kcdd kcds kcdu kckc kckk kcko kcos kcot kcou kcsc kcsd kcss kcst kcsu kctc kcto kctu kcuk kdcc kdcd kdco kddc kddd kddk kdkd kdkk kdko kdkt kdoc kdok kdot kdsc kdsd kdsk kdss kdst kdsu kdtd kduc kdus kdut kkcd kkck kkco kkcs kkct kkdc kkdd kkdo kkdt kkkk kkoo kkot kksd kkss kkst kksu kktc kktk kkts kktu kkus kkut kkuu kocd kock kocs koct kodk kodo kods kodt kodu kokc kokk koko koks koku kooc kook kooo koos koot koou kos- kosc kosd koso koss kost kosu kotc kotd kotk koto kots kott kotu kous kout kouu ksck ksco kscs kscu ksdc ksdk ksds kskd kskk ksko ksks ksku ksoc ksok ksoo ksos ksou ksso ksss ksst kssu kstc kstk ksto ksts kstt kstu ksud ksut ksuu ktcc ktck ktco ktcs ktdc ktdd ktdk ktdo ktkc ktkk ktko ktks ktkt ktku ktoc ktok ktoo ktot ktsc ktsd ktso ktst ktsu kttc kttk ktto ktts kttt kttu ktuc kucc kucd kuco kudd kudo kudu kukk kuks kuku kuok kuoo kuos kusc kusd kuso kust kusu kuto kuts kutt kutu kuuk kuuu occc occt ocds ocks ocos oct- octo octs oddd odds odoo odos odot odou odso odts odtu odus okcu okko okok okot okso okto okus ooku oooo ooos oost oots oous oscc osco osku osoo osos ossd osso ossu ostc osts otcd oto- otok otoo otos otso otsu otto otts ottu otus oucc oudc ouds ousd oust out- outo outs ouu- s-os sccc sccs scct scdc scds sck- scok scoo scot scsc scsd scso scst scsu sctc sctd scto scts scud scut sdcc sdco sddc sdds sdot sdsc sdss sdsu skot sksd skss skud skut sock soco socs sodd sodo sods sodu sokk soko soku sood sook soos soot soso soss sost sotc sotk soto sots sotu soud souk sous sout sscc sscs ssdc ssdd ssoc ssot sssc ssss sstc sstd ssts stcc stcs stcu stds stks stod stok stoo stos stot stou stss sttc sttd stuc stud stuk stus stut suc- succ suck sucs sudd sudo suds suks suku suos sus- susd susk suso suss sust susu suto sutu suus tccc tccu tcdd tcos tctc tcts tdss tkod tkos tkts tock toco todd todo tods todt todu toko toku tood took toos toot tosc tosk toso toss tost tosu totc totd toto tots tott touk tous tout tscc tsks tsos tsou tsst tstc tsts ttss tttt tucc tuck tuco tudu tuko tuks tuos tusc tusd tusk tuss tust tuto tuts tutt tutu tuuo ucdc ucdd ucos ucsc ucsd ucst ucsu ucut udds udoo udos udot udsd udts uduk ukcc ukko ukok uksc uocc us-k uscc usco uscs usdc usdo usds usdt usoc usos ussc usss usst ussu ustc usto usts usus utsc utto uttu uuoc uuuu