c-cd cccc cccl ccdc cclc ccoc ccod cctc cctl cctt cddl cdot clcd cldc clod cloo clot cltc coco coct codd codl col- cold coll colo colt cood cool coot cotc coto cott ctol ctot dccc dccl dcct dctc dddd ddlc ddoc ddot dlco doco doct dod- dodd dodo dold doll dolo dolt dood dool doot dotd doto dott dtcc dtot lccc lcdd lctl lcto llcc lldc lllc llll lloc llod lloo locc loco lold loll lolo looc lood lool loot lotd lotl loto lott ltcc lttc occc occt oclc oct- octo oddd odoo odot olcc ollo olot oold oolo oooo otcd otcl oto- otoo otto tccc tcdd tctc tlco toco todd todo todt tol- told toll tolo tolt tood tool toot totc totd toto tott tttt