c-cd cccc ccci ccdc ccdh ccdi ccic ccid ccii ccoc ccod cctc cctt cdic cdii cdio cdot chch chci chdi chic chid chih chit choc chod choh choi choo chto chtt cicc cich cici cico cict cidc cidi cidt ciht ciid ciii ciit cith citi cito citt coch coco coct codd codi coho coit cood cooh coot cotc coth coti coto cott ctic ctot dccc dcci dcct dcii dcio dctc dddd ddoc ddot dhod dich dici dico dict didi dido diii dioc diot dith diti dito ditt doch doci doco doct dod- dodd dodi dodo dohc doid doit dood doot dotd doth doti doto dott dtcc dthd dtot h-ii hccc hcch hchi hdci hdoc hdod hdtt hhhh hi-c hicc hich hico hidi hihc hihi hiho hiht hiit hioc hitc hiti hito hitt hoch hodh hodi hoho hoid hoit hood hoot hotd hoth hoti hoto hott htcc htoh iccc icci icco icct icdc icdd ichc ichd ichi icho icoc icod iddo idic idid idio idoc ihcc ihit ihtc iicd iiht iiii iiio iiit iioi iioo iitt ioci iod- iodd iodo ioii ioio ioit iooi iooo ioto itch itdo ithc itic itoh itoi itoo itto occc occi occt ochi ocht oct- octi octo odci oddd oddi odic odio odoh odoo odot ohcc ohhi ohho ohid ohio ohoh ohto oici oido oiii oitc oiti oodi ooho ooid oooh oooo otcd otho otic otit oto- otoh otoo otti otto tccc tcdd tch- tchh tchi tcho tctc thch thi- thic thio thoo thot ticc tich tico tidc tidd tiht tiit titc tith titi tito titt toch toci toco todd todi todo todt tohi toho toid toit tood tooh toot totc totd toth toti toto tott tttt