c-cd cccc ccci cccu ccdc ccdi ccdn ccdr ccic ccid ccii ccir ccnc ccni ccnr ccnu ccrc ccri ccuc cd-r cddr cdic cdii cdnc cicc cici cicr cicu cidc cidi cidr ciid ciii cin- cinc cind cini circ ciri cirr ciuc cnci cndd cnic cnid cnrc cnrr crcc crcr crdc cric crin criu crud crun cucc cuci cucn cudi cui- cuin cuir cund curd curi curn curr dccc dcci dccu dcii dddd ddrc dici didi didu diii din- dinc dini dinn dinu dird dirr dnic dnrc dric drin drui druu dudd dudu duid duin duir dunc dunn duri durn duru duur iccc icci iccn iccr iccu icdc icdd icnc icrc icrr icru idcr idic idid idin idir idrc idun iicd iiii iirc iiuc incd inci incr ind- indc indi indu inid inni innr innu inri inui inun ircc ircd ircu irdc iri- iric irid irin irrc irri irun iucc iuiu n-ii nccc ncci nccn nccr nccu ncdc ncdn ncdr ncdu ncid ncnc ncnd ncrc ncri ndcc ndic ndrc ndri nicc nicd nici nicu nidd nidi niir niiu nind nini niru niur nnnn nrdc nric nrrc nrrd nuci nucu nudc nudd nudi nuin nunc nunn nurc nurd nuri nurn nurr nuru rccc rcdc rcic rcid rcnr rcrd ricc ridc ridd ridi riin rind rinn riri rndc rnin rrrr rrun ruci rudd rudi ruid ruin runc rund runi runn rurc rurd ruri ruru ruud ruun ucci ucdc ucdd ucin ucrc uddi udic udid udin udir udun uirr uncc unci undi uni- unic unii unin unir unni urci urdu uric urin uriu urni urri urun urur uuni uuri uuuu