c-cd cccc cccf cccl ccdc ccdf cced ccee ccel ccfc ccfd ccff ccfl cclc cd-e cddl cdec cdef cdfe cec- cece cedd cede ceec ceel cef- cefc cel- celc cele celf cell cfcf cfcl clcd cldc clec cled clee clef dccc dccl dcfc dddd ddlc dec- decc decd dece decl dedd dede deed deef deel defe deff deld dele delf dell dfcc e-cl eccc ecce eccl ecdc ecdf ecdl eced ecef ecfc eddc edde ede- edel edfl edle eede eeee eefe eefl eele elce elde elec eled elee elef elfc elfe elle fccf fece fede feed feel fefc fefe feff feld fele felf fell ffcc ffee ffff flcl fled flee lccc lcce lcdd lcfc ldcf lece lede leed leef leel lefe leff lele lell lfcc llcc lldc llef lllc llll