aaaa aaac aaad aaal aaca aacc aacd aacl aada aadc aala aalc aald aall acaa acac acad acca accc accd acda acdc acla aclc adaa adac adad adal adcc adda addc addd addl alaa alac alad alal alaz alca alcc ald- alda aldl all- alla alll alza aza- azad azal azaz azca azza c-cd caaa caac caal cac- caca cacc cada cadc cadd cala calc cald call caza ccaa ccac ccad ccca cccc cccl ccdc ccla cclc cdaa cdac cdad cdda cddl cdza clad clcd cldc daad daal daca dada dala dall dazl dazz dcca dccc dccl dddd ddlc dzca laaa laac laad laal laca lacc lacl lada ladd lala lald lall laza lcac lcad lcca lccc lcdd llcc lldc lllc llll zaal zaca zada zal zala zaza zzzz