c-cd cccc cccf ccci cccl cccu ccdc ccdf ccdi ccfc ccfd ccff ccfi ccfl ccic ccid ccii ccil cclc ccli ccuc cddl cdic cdii cdli cfcf cfcl cicc cici cicu cidc cidi ciff cifl ciid ciii cili cill ciuc clcd cldc clic clif clii clud cucc cuci cudi cufc cuff cufi cui- cuif cuil culc culd cull dccc dcci dccl dccu dcfc dcii dcil dcli dddd ddlc dfcc dfcu dici didi didu dif- diff diii dilf dili dill dlii dlil dudd dudu dufc duff dufu duid duif duil dulc duli dull dulu duul fccf fcic fcii fdic ffcc ffff ffii ficc fidc fidf fifc fiff fifi fiii fiil fild fili fill flcl flic flid flii flud fluf fuc- fuci fudd fudi fufc fuff fufu fuid fuil fuli full fulu iccc iccf icci iccl iccu icdc icdd icdl icll idfc idic idid idil idli ifcd ific ifid ifil iicd iiii iiuc ilcd ilic ill- illd illi ilud iucc iuiu lccc lcdd lcfc ldcf ldci ldif lfcc lidl liff lifl liii lili lill lilu liuf llcc lldc lllc llll llud luci ludd ludi luff lufu luif luli lull lulu ucci ucdc ucdd ucil uddi udic udid ufcu ulcc ulic ulli ulul uulu uuuu