c-cd cccc ccci cccs cccu ccdc ccdi ccdn ccdr ccds ccic ccid ccii ccir ccis ccnc ccni ccnr ccns ccnu ccrc ccri ccrs ccsd ccsi ccsn ccss ccuc ccus cd-r cdcs cddr cdic cdii cdis cdnc cdrs cdss cicc cici cicr cics cicu cidc cidi cidr cids ciid ciii ciis cin- cinc cind cini circ ciri cirr cirs cis- cisc cisd cisn cisr ciss ciuc cius cnci cndd cnic cnid cnrc cnrr cnss crcc crcr crdc cric crin cris criu crns crss crud crun crus cscc cscd csci cscr cscs csdn csdr csid csir csis csrc csrd csrs cssd cssr csur csus cucc cuci cucn cudi cuds cui- cuin cuir cuis cund curd curi curn curr curs cusd cuss cusu dccc dcci dccs dccu dcds dcii dcis dcns dcsc dcss dddd ddrc ddss dici didi dids didu diii diis din- dinc dini dinn dins dinu dird dirr dirs dis- disc disd disi diss dius dncs dnic dnis dnrc dnsc dnus dric drin drrs drui drus druu dscc dscn dscr dscs dsdr dsrc dsri dsrr dssc dssi dssn ducs dudd duds dudu duid duin duir duis dunc dunn duns duri durn duru dusi duur iccc icci iccn iccr iccs iccu icdc icdd icis icnc icns icrc icrr icrs icru icsc icsd icsi icsr icss icus idcr idic idid idin idir idis idrc idsc idss idun idus iicd iiii iiis iirc iirs iisc iisd iisi iisr iisu iiuc incd inci incr incs ind- indc indi inds indu inid inis inni innr inns innu inri inrs insc inss insu inui inun inus ircc ircd ircs ircu irdc irds iri- iric irid irin iris irrc irri irrs irun irus iscc iscd isci iscn iscr iscs iscu isdc isdn isds isic isin isis isri issc issi issr isss issu isus iucc iuds iuiu iusd iuss n-ii nccc ncci nccn nccr nccs nccu ncdc ncdn ncdr ncds ncdu ncid ncis ncnc ncnd ncrc ncri ncsc ncsi ncss ndcc ndcs ndic ndrc ndri ndsi ndss nicc nicd nici nics nicu nidd nidi nids niir niiu nind nini nins nirs niru nisd nisi niss nisu niur nnnn nnss nrcs nrdc nrds nric nrrc nrrd nrsc nscc nscd nscs nsds nsic nsin nsis nsnr nsrc nsrd nssc nssr nsss nuci nucs nucu nudc nudd nudi nuin nunc nunn nuns nurc nurd nuri nurn nurr nurs nuru nusi nuss nusu rccc rccs rcdc rcds rcic rcid rcis rcnr rcrd rcsc rcsd rcsi rcss ricc rics ridc ridd ridi rids riin riis rind rinn riri rirs risc risd risi riss risu rius rncs rndc rnds rnin rrrr rrun rscc rscn rscs rsdd rsds rsid rsis rsnn rsnr ruci rudd rudi ruds ruid ruin ruis runc rund runi runn runs rurc rurd ruri rurs ruru rusi russ rusu ruud ruun s-ic s-ii sccc sccs scdc scds sci- scic scid scin scir scis scnd scnr scr- scrc scri scrn scrs scsc scsd scsi scsn scsr scsu scud scun scur sdcc sddc sdds sdic sdrc sdrs sdsc sdss sdsu sicc sici sics sicu sidd sidi sidr sids sind sini sinn sins sinu sirc siri sirr sirs siru sisc sisd sisi siss sisu siui sius sncc snid snir snns snrs snsd snur snus srcc sris srni srnn srsd sscc ssci sscs ssdc ssdd ssid ssin ssis ssns ssrc ssri ssrs sssc sssi ssss suc- succ suci sucr sucs sudd sudi suds suid suin suir suis sun- sund suni sunn suns sunu sur- surc surd suri surn surr surs suru sus- susd susi suss susu suus ucci ucdc ucdd ucin ucrc ucsc ucsd ucsu uddi udds udic udid udin udir udsd udun uirr uisd uncc unci uncs undi unds uni- unic unii unin unir unis unni unns unrs uns- unsc unus urci urds urdu uric urin uris uriu urni urns urri ursi urss ursu urun urur urus uscc uscs usdc usds usin usis usnc usnr usnu ussc ussr usss ussu usui usun usus uuni uuri uusi uuuu