-ous c-cd cccc cccp cccs cccu ccdc ccdp ccds ccoc ccod ccpp ccps ccsd ccsp ccss ccuc ccup ccus cdcs cdos cdps cdss ckck ckco ckcs ckdo ckdu ckoc ckoo ckos ckpc ckso cock coco cocp cocu codd cods cok- coko cood cook coop coos copd copo copp cops cosc coso cosp coss coud couk coup cous cpcs cpcu cpos cppd cpps cpsc cpsk cpso cpsu cpus cscc cscd csco cscs csdp csks csos cspc cspd csps cssd csup csus cucc cuck cuds cuk- cupo cupp cups cusd cusk cuso cusp cuss cusu dccc dccp dccs dccu dcds dcop dcos dcpo dcps dcsc dcss dcup dddd ddoc ddpo ddps ddss dkdc dock doco docs docu dod- dodd dodo dods doko dood dook doop doos dopo dopp dops dosk doso doss douc doud douk doup dous dpcp dpos dppc dpsd dpsu dscc dscp dscs dsdp dsos dsps dssc dssp duck duco ducs dudd dudo duds dudu duku duo- duos dupo dusk k-os kccc kccd kcck kccu kcdc kcdd kcds kcdu kckc kckk kcko kcos kcou kcpc kcpo kcps kcpu kcsc kcsd kcsp kcss kcsu kcuk kcup kdcc kdcd kdco kddc kddd kddk kdkd kdkk kdko kdoc kdok kdps kdsc kdsd kdsk kdsp kdss kdsu kduc kdup kdus kkcd kkck kkco kkcs kkdc kkdd kkdo kkkk kkoo kkpc kkpk kkps kksd kksp kkss kksu kkup kkus kkuu kocd kock kocp kocs kodk kodo kods kodu kokc kokk koko kokp koks koku kooc kook kooo koop koos koou kopp kops kopu kos- kosc kosd koso kosp koss kosu kous kouu kpcc kpcs kpdc kpdo kpkk kpoc kpod kpok kpoo kpop kpou kppc kppd kppk kppo kppp kpsc kpsd kpso kpsp kpsu kpus ksck ksco kscs kscu ksdc ksdk ksdp ksds kskd kskk ksko ksks ksku ksoc ksok ksoo ksop ksos ksou kspc kspd kspk kspo ksps ksso ksss kssu ksud ksup ksuu kucc kucd kuco kucp kudd kudo kudu kukk kuks kuku kuok kuoo kuop kuos kupd kups kupu kusc kusd kuso kusp kusu kuuk kuuu occc ocds ocks ocos ocpd ocpp oddd odds odoo odop odos odou odso odus okcu okko okok okpo okso okus ooku oooo ooos oops oous opds opo- opos oppo opps opsu opus oscc osco osku osoo osos ossd osso ossu oucc oudc ouds ousd ouu- pccc pccs pcks pcod pcos pcpp pcps pcso pdcp pdoc pdos pdsd pdss pkcs pocd pock poco pocs pod- podd podo pods podu poko poku pood pook poop poos pop- popc popo popp pops posk poso poss poud pouk poup pous ppcc ppcd ppcs ppdk ppds ppod ppos pppd pppo pppp ppps ppss psco pscu psdc psdp psds psoc psos psou pspp psps pssc psso puck pudo puds pudu puku pups pupu pusd pusk puss puuc s-os sccc sccp sccs scdc scdp scds sck- scok scoo scop scpo scps scsc scsd scso scsu scud scup sdcc sdco sddc sdds sdps sdsc sdss sdsu skop skpc skpo sksd skss skud skup sock soco socs sodd sodo sods sodu sokk soko soku sood sook soop soos sopd sopo sopp sops sopu soso soss soud souk soup sous spcc spco spcs spdc spdp spoc spod spok spoo spop spos sppd spps spsd spso spsp spss spud spus sscc sscp sscs ssdc ssdd ssdp ssoc ssop sspc sspo ssps sssc ssss suc- succ suck sucs sudd sudo suds suks suku suos sup- supo supp sups sus- susd susk suso susp suss susu suus uccp ucdc ucdd ucos ucsc ucsd ucsu udds udoo udop udos udpd udsd uduk ukcc ukko ukok ukps uksc ukup uocc upcs updo upos uppc uppp uppu upsc upup us-k uscc usco uscs usdc usdo usdp usds usoc usos uspc uspo uspp usps ussc usss ussu usus uucp uuoc uuuu