-ous c-cd cccc cccp cccs cccu ccdc ccdp ccds ccoc ccod ccpp ccps ccsd ccsp ccss ccuc ccup ccus cdcs cdos cdps cdss coco cocp cocu codd cods cood coop coos copd copo copp cops cosc coso cosp coss coud coup cous cpcs cpcu cpos cppd cpps cpsc cpso cpsu cpus cscc cscd csco cscs csdp csos cspc cspd csps cssd csup csus cucc cuds cupo cupp cups cusd cuso cusp cuss cusu dccc dccp dccs dccu dcds dcop dcos dcpo dcps dcsc dcss dcup dddd ddoc ddpo ddps ddss doco docs docu dod- dodd dodo dods dood doop doos dopo dopp dops doso doss douc doud doup dous dpcp dpos dppc dpsd dpsu dscc dscp dscs dsdp dsos dsps dssc dssp duco ducs dudd dudo duds dudu duo- duos dupo occc ocds ocos ocpd ocpp oddd odds odoo odop odos odou odso odus oooo ooos oops oous opds opo- opos oppo opps opsu opus oscc osco osoo osos ossd osso ossu oucc oudc ouds ousd ouu- pccc pccs pcod pcos pcpp pcps pcso pdcp pdoc pdos pdsd pdss pocd poco pocs pod- podd podo pods podu pood poop poos pop- popc popo popp pops poso poss poud poup pous ppcc ppcd ppcs ppds ppod ppos pppd pppo pppp ppps ppss psco pscu psdc psdp psds psoc psos psou pspp psps pssc psso pudo puds pudu pups pupu pusd puss puuc s-os sccc sccp sccs scdc scdp scds scoo scop scpo scps scsc scsd scso scsu scud scup sdcc sdco sddc sdds sdps sdsc sdss sdsu soco socs sodd sodo sods sodu sood soop soos sopd sopo sopp sops sopu soso soss soud soup sous spcc spco spcs spdc spdp spoc spod 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 sucs sudd sudo suds suos sup- supo supp sups sus- susd suso susp suss susu suus uccp ucdc ucdd ucos ucsc ucsd ucsu udds udoo udop udos udpd udsd uocc upcs updo upos uppc uppp uppu upsc upup uscc usco uscs usdc usdo usdp usds usoc usos uspc uspo uspp usps ussc usss ussu usus uucp uuoc uuuu