c-cd cccc ccci cccl ccdc ccdi ccic ccid ccii ccil cclc ccli cddl cdic cdii cdli cicc cici cidc cidi ciid ciii cili cilk cill ckck ckcl clcd cldc clic clii clik dccc dcci dccl dcii dcil dcli dddd ddlc dici dick didi diii diki dili dilk dill dkdc dkid dlii dlil iccc icci iccl icdc icdd icdl icll idic idid idil idli iicd iiii ikid ikki ilcd ilic ilki ill- illd illi k-ci k-id kccc kccd kcci kcck kccl kcdc kcdd kcdi kcic kcid kcii kcil kckc kckk kckl kclc kcli kclk kcll kdcc kdcd kddc kddd kddi kddk kddl kdic kdil kdkd kdkk kdlc kdld kdll kicc kicd kick kicl kidd kidi kidk kidl kiic kiid kiii kiik kikc kikd kiki kikk kild kili kilk kill kkcd kkci kkck kkcl kkdc kkdd kkdl kkic kkid kkik kkkk kklc kkld kkli kkll klcc klcd klci klck klcl kldc kldd klic klid klik klil klkc klkk klkl kllc kllk lccc lcdd ldci lick lidl liii lili lill llcc lldc lllc llll