c-cd cccc cccu ccdc ccoc ccod cctc cctt ccuc ccut cdot coco coct cocu codd cood coot cotc coto cott cotu coud cout ctot cucc cut- cutc cuto cutt dccc dcct dccu dctc dddd ddoc ddot doco doct docu dod- dodd dodo dood doot dotd doto dott douc doud dout dtcc dtot duco duct dudd dudo dudu duo- duut occc occt oct- octo oddd odoo odot odou odtu oooo otcd oto- otoo otto ottu oucc oudc out- outo ouu- tccc tccu tcdd tctc toco todd todo todt todu tood toot totc totd toto tott tout tttt tucc tuco tudu tuto tutt tutu tuuo ucdc ucdd ucut udoo udot uocc utto uttu uuoc uuuu