c-cd cccc ccci cccs cccv ccdc ccdi ccdr ccds ccic ccid ccii ccir ccis cciv ccoc ccod ccrc ccri ccrs ccsd ccsi ccss ccvi ccvo ccvs cd-r cdcs cddr cdic cdii cdio cdis cdiv cdos cdrs cdss cdvd cdvi cicc cici cico cicr cics cidc cidi cidr cids ciid ciii ciis ciko cikr cior cios circ ciri cirk ciro cirr cirs cis- cisc cisd cisk cisr ciss cisv civc civo ckck ckco ckcs ckcv ckdo ckoc ckoi ckoo ckor ckos ckrc ckrd ckso ckvo cock coco codd codi cods coir cois cok- coko cood cook coos cor- corc cord cori cork coro corr cors cosc cosi coso coss covo crcc crcr crdc cric crik cris crkc croc crod crok croo cror crss cscc cscd csci csco cscr cscs csdr csid csik csio csir csis csks csor csos csrc csrd csrs cssd cssr cvcc cvid cvii cvrd cvrr cvsd cvss dccc dcci dccs dccv dcds dcii dcio dcis dciv dcos dcrk dcsc dcss dcvd dcvi dddd ddoc ddrc ddss dici dick dico didi dido dids diii diis diiv diki diko dioc dior dios dird dirk dirr dirs dis- disc disd disi disk diso diss divd divi divo divs dkdc dkid doci dock doco docs dod- dodd dodi dodo dods doid dois doki doko dood dook door doos dorc dord dori dork doro dorr dors dosi dosk doso doss dovi dric drod drrs dscc dscr dscs dsdr dsos dsrc dsri dsrr dssc dssi dsvd dvcs dvdr dvds dvi- dvii dvir dvor dvrs dvsr iccc icci icco iccr iccs icdc icdd icis icks icoc icod icor icos icrc icrr icrs icsc icsd icsi icsr icss idcr iddo idic idid idio idir idis idoc idos idrc idro idsc idso idss idvd iicd iiii iiio iiis iioi iioo iios iirc iirs iisc iisd iisi iisr ikid ikki ikko ikoo ikri ioci iod- iodd iodo ioii ioio ioko iooi iooo ioos iori iors ioso ircc ircd ircs irdc irdo irds iri- iric irid irio iris irki irks iroc irod irov irrc irri irrs irvs iscc iscd isci isco iscr iscs isdc isds isic isis isko iso- isoc isok isor isos isri issc issi isso issr isss ivdr ivic ivod ivor ivrs k-ci k-id k-os kccc kccd kcci kcck kccr kccv kcdc kcdd kcdi kcdr kcds kcdv kcic kcid kcii kcir kcis kciv kckc kckk kcko kckr kckv kcor kcos kcrc kcri kcro kcrr kcrs kcrv kcsc kcsd kcsi kcsr kcss kcvd kcvi kcvk kcvo kcvr kcvs kcvv kdcc kdcd kdco kdcr kddc kddd kddi kddk kddr kdic kdio kdis kdkd kdkk kdko kdkr kdoc kdok kdov kdri kdro kdrs kdrv kdsc kdsd kdsk kdsr kdss kdvi kdvr kdvs kdvv kicc kicd kick kicr kics kidd kidi kidk kido kidr kids kiic kiid kiii kiik kiis kikc kikd kiki kikk kiko kikr kioc kiod kioi kiok kioo kirc kiri kirk kiro kirr kirs kirv kisc kisd kisi kisk kiso kisr kiss kisv kivi kkcd kkci kkck kkco kkcr kkcs kkdc kkdd kkdo kkdv kkic kkid kkik kkkk kkoo kkor kkov kkrc kkrk kkro kkrr kkrs kkrv kksd kksi kksr kkss kkvr kkvv kocd koci kock kocs kodi kodk kodo kods kodv koii koir koiv kokc koki kokk koko kokr koks kooc kooi kook kooo koor koos koov korc kord kori kork koro korr kors korv kos- kosc kosd kosi koso kosr koss kovc kovi kovk kovo kovr krcc krcd krci krco krcs krdc krdd krdo krdr krds krid krik krio kris kriv krkc krkd krki krkk krko krkr krks krkv kroc krod kroi krok kroo kror kros krov krrc krri krrk krro krrr krrs krsc krsd krsk krsr krss krsv krvc krvi krvk krvo krvr krvs krvv ksci ksck ksco kscr kscs kscv ksdc ksdi ksdk ksdr ksds ksid ksii ksik ksir ksis ksiv kskd kskk ksko kskr ksks ksoc ksoi ksok ksoo ksor ksos ksro ksrr ksrs ksrv kssi ksso kssr ksss ksvc ksvi ksvr kvcc kvci kvck kvco kvcr kvcs kvcv kvic kvik kvir kvis kviv kvoc kvod kvoi kvok kvoo kvor kvov kvrc kvri kvro kvrr kvrv kvsc kvsi kvso kvsr kvss kvsv kvvr kvvs kvvv occc occi ocds ocis ocks ocos ocro ocrr ocrs odci oddd oddi odds odic odio odir odis odoo odor odos odso oici oick oido oids oiii oiko oiks oios oisc oisd okic okir okko okok okor okro oksi okso oocr oodi ooid oooo ooos oord oosi orci orco orcs ordo ords ori- oric orid orio oris orko oro- orok oror oros orri orro orrs orsi orsk orso orvr orvs oscc osci osco osdi osdv osii osik osis oski osoi osoo osor osos osov osrd osro ossd ossi osso ovcs ovi- ovid ovis ovo- ovod ovoo rccc rccs rcdc rcds rcic rcid rcis rcos rcrd rcsc rcsd rcsi rcss rcvr rcvs rdio rdoc rdos rdso rdvs ricc rick rico rics ridc ridd ridi rido rids riis riki rikk rios riri rirs risc risd risi risk riso riss rivo rivs rkos rkss rksv rocc rock roco rocs rodd rodi rodo rods roid roik roio roir rois roki rokk roko rokr roks rood rooi rook roor roos rorc rori rork roro rosc rosi roso ross rovi rovo rovs rrrr rscc rscs rsdd rsds rsid rsis rsos rv-c rvik s-ic s-ii s-iv s-os sccc sccs scdc scds sci- scic scid scio scir scis sciv sck- scok scoo scor scr- scrc scri scrs scsc scsd scsi scso scsr sdcc sdco sdcv sddc sdds sdic sdio sdrc sdrs sdsc sdss sicc sici sick sico sics sidd sidi sido sidr sids siik siki siko sikr siks siod sior sios sirc siri sirk siro sirr sirs sisc sisd sisi sisk siss sivi skic skid skik skio skir skis skiv skor skov sksd skss soci sock soco socr socs sodd sodo sods soic soik soir sois soki sokk soko sood sook soor soos sord sori soro sorr sors sosi soso soss sosv sovo sovs srcc sris sros srsd sscc ssci sscs ssdc ssdd ssid ssis ssoc ssrc ssri ssrs sssc sssi ssss svcc svcs svdk svdo svic