c-cd cccc ccci ccdc ccdh ccdi ccdr cchr ccic ccid ccii ccir ccoc ccod ccrc ccri ccrt cctc cctt cd-r cddr cdic cdii cdio cdot chch chci chdi chic chid chih chir chit choc chod choh choi choo chor chrc chrd chro chrr chrt chto chtr chtt cicc cich cici cico cicr cict cidc cidi cidr cidt cihr ciht ciid ciii ciit cior circ cirh ciri ciro cirr cirt cith citi cito citt coch coco coct codd codi coho coir coit cood cooh coot cor- corc cord cori coro corr cort cotc coth coti coto cott crcc crcr crdc cric crit croc crod croh croo cror crot crrt crtc ctic ctor ctot ctrc dccc dcci dcct dcii dcio dctc dddd ddoc ddot ddrc dhod dhor dich dici dico dict didi dido diii dioc dior diot dird dirr dirt dith diti dito ditt doch doci doco doct dod- dodd dodi dodo dohc dohr doid doit dood door doot dorc dord dori doro dorr dort dotd doth doti doto dott dric drih drit drod droh drot dtcc dthd dtor dtot h-ii hccc hcch hcdr hchi hcrd hdci hdoc hdod hdri hdtt hhhh hi-c hicc hich hico hidi hihc hihi hiho hiht hiit hioc hird hiri hiro hirt hitc hiti hito hitt hoch hocr hodh hodi hodr hoho hoid hoir hoit hood hoor hoot horc hord hori horo horr hort hotd hoth hoti hoto hotr hott hrdc hrid hrit hrod hrrc htcc htoh httr iccc icci icco iccr icct icdc icdd ichc ichd ichi icho ichr icoc icod icor icrc icrr icrt idcr iddo idic idid idio idir idoc idrc idro ihcc ihdr ihit ihrc ihrd ihtc iicd iiht iiii iiio iiit iioi iioo iirc iitr iitt ioci iod- iodd iodo ioii ioio ioit iooi iooo iori ioto ircc ircd irdc irdo iri- iric irid irio iroc irod iroh irrc irri irti itch itdo ithc itic itoh itoi itoo itor itri itto occc occi occt ochi ocht ocro ocrr oct- octi octo odci oddd oddi odic odio odir odoh odoo odor odot ohcc ohhi ohho ohid ohio ohoh ohto oici oido oiii oirt oitc oiti oocr oodi ooho ooid oooh oooo oord oort orch orci orco ordo ori- oric orid orio orit oro- oror orot orri orro ortc orth orto otcd otho othr otic otit oto- otoh otoo otor otro otti otto rccc rcdc rcic rcid rcrd rctc rcti rdio rdoc rhio rhoc rhod rhoh ricc rich rico rict ridc ridd ridi rido riho riht riot riri rith riti rito ritt rocc roch roco rodd rodi rodo rohr roid roio roir roit rood rooi roor root rorc rori roro rort rotc roth roti roto rotr rott rrrr rtcc rtdt tccc tcdd tch- tchh tchi tcho tchr tctc tdor tdri thch thdr thi- thic thio thir thoo thor thot thri thro thtr ticc tich tico tidc tidd tiht tiit tird tiri tiro tirr titc tith titi tito titt toch toci toco todd todi todo todt tohi toho toid toit tood tooh toor toot torc tord tori toro torr tort totc totd toth toti toto totr tott trcc tri- tric trio trit troc trod troi troo trot trtc trtr tttt