c-cd cccc ccci ccdc ccdi ccdr ccgc ccgt ccic ccid ccii ccir ccoc ccod ccrc ccrg ccri ccrt cctc cctt cd-r cddr cdic cdii cdio cdot cgcc cgcg cgro cicc cici cico cicr cict cidc cidg cidi cidr cidt cigi ciid ciii ciit ciko cikr cior circ ciri cirk ciro cirr cirt citg citi cito citt ckck ckco ckdo ckgo ckoc ckoi ckoo ckor ckot ckrc ckrd cock coco coct codd codi cogi cogo coir coit cok- coko cood cook coot cor- corc cord corg cori cork coro corr cort cotc coti coto cott crcc crcr crdc cric crig crik crit crkc croc crod crok croo cror crot crrt crtc ctic ctor ctot ctrc dccc dcci dcct dcgo dcii dcio dcrk dctc dddd ddoc ddot ddrc dgkd dgkg dici dick dico dict didi dido digg digi digo diii diki diko dioc dior diot dird dirk dirr dirt diti dito ditt dkdc dkid doci dock doco doct dod- dodd dodg dodi dodo dog- dogg dogi dogo doid doig doit doki doko dood dook door doot dorc dord dori dork doro dorr dort dotd doti dotk doto dott dric drit drod drog drot dtcc dtki dtor dtot gc-c gccc gcic gcii gcrg gctc gdci gdor gdrc gdrt gggg gick gicr gidc gidd gidi gido gigg gigi gigo giog gioi gird girg giri girk giro girr girt gito gocr godi godo gogi gogo goit good goog gooi gook goor goot gord gorg gori goro gorr gort gotd goti goto gott grcc grdc gric grid grig grit groc grod grog groi grok groo gror grot grrr grtc gtco gtcr i-go iccc icci icco iccr icct icdc icdd icgc icoc icod icor icrc icrr icrt idcr iddo idgo idic idid idig idio idir idoc idog idrc idro igcc igkc igoo igor igot igri iicd iiii iiio iiit iioi iioo iirc iitr iitt ikid ikig ikki ikko ikoo ikri iocg ioci iod- iodd iodo iogt ioii ioio ioit ioko iooi iooo iorg iori ioto ircc ircd ircg irdc irdo iri- iric irid irig irio irki iroc irod irrc irri irti itdo itgc itgo itic itko itoi itoo itor itri itto k-ci k-id kccc kccd kcci kcck kccr kcct kcdc kcdd kcdi kcdr kcgc kcgi kcgr kcic kcid kcii kcir kcit kckc kckk kcko kckr kcog kcor kcot kcrc kcrg kcri kcro kcrr kcrt kctc kcti kcto kdcc kdcd kdco kdcr kddc kddd kddg kddi kddk kddr kdgo kdic kdio kdkd kdkk kdko kdkr kdkt kdoc kdog kdok kdot kdri kdro kdtd kdti kdtr kgcc kgcd kgcr kgdc kgdd kggg kggi kggo kggr kgio kgir kgor kgot kgrc kgrd kgrg kgri kgrk kgro kgrr kgrt kgtk kgto kicc kicd kicg kick kicr kict kidd kidg kidi kidk kido kidr kigc kigo kiic kiid kiii kiik kiit kikc kikd kiki kikk kiko kikr kikt kioc kiod kioi kiok kioo kiot kirc kiri kirk kiro kirr kirt kitc kitg kiti kito kitr kitt kkcd kkci kkck kkco kkcr kkct kkdc kkdd kkdg kkdo kkdt kkgo kkgr kkic kkid kkik kkit kkkk kkoo kkor kkot kkrc kkrk kkro kkrr kkrt kktc kktk kocd koci kock koct kodi kodk kodo kodt kogd kogg kogi kogo kogt koii koir koit kokc koki kokk koko kokr kooc koog kooi kook kooo koor koot korc kord korg kori kork koro korr kort kotc kotd koti kotk koto kotr kott krcc krcd krcg krci krco krdc krdd krdg krdo krdr krgi krgt krid krik krio krit krkc krkd krki krkk krko krkr kroc krod krog kroi krok kroo kror krrc krrg krri krrk krro krrr krrt krtc krti krtk krto krtr ktcc ktck ktco ktcr ktdc ktdd ktdk ktdo ktdr ktgg ktgo ktgr ktic ktig ktik ktkc ktkk ktko ktkr ktkt ktoc ktok ktoo ktor ktot ktrc ktrg ktri ktrk ktro ktrr ktrt kttc kttg ktti kttk ktto kttr kttt occc occi occt ocro ocrr oct- octi octo odci oddd oddi odic odio odir odoo odor odot ogdc oggi ogod ogog ogoi ogri ogro oici oick oido oigo oiii oiko oirt oitc oiti okgo okic okir okko okok okor okot okro okto oocr oodi ooid oooo oord oort orci orco ordo orgo ori- oric orid orig orio orit orko oro- orok oror orot orri orro ortc orto otcd otic otit oto- otog otok otoo otor otro otti otto rccc rcdc rcgc rcic rcid rcrd rcrg rctc rctg rcti rdio rdoc rgit rgtr ricc rick rico rict ridc ridd ridi rido rigg rigi rigo riki rikk riot riri riti rito ritt rocc rock roco rodd rodi rodo rogg rogi rogo roid roig roik roio roir roit roki rokk roko rokr rood roog rooi rook roor root rorc rori rork roro rort rotc rotg roti rotk roto rotr rott rrrr rtcc rtcg rtdt rtkg tccc tcdd tctc tdkr tdor tdri tgcc tgtc ticc tick tico tidc tidd tigi tigr tiit tiki tiko tird tiri tiro tirr titc titi tito titt tkkg tkod toci tock toco todd todi todo todt togo togr togt toid toit toki toko tood took toor toot torc tord torg tori tork toro torr tort totc totd toti toto totr tott trcc tri- tric trig trik trio trit troc trod trog troi troo trot trtc trtr ttkg tttt