aaaa aaac aaad aaal aaca aacc aacd aacl aacu aada aadc aadu aala aalc aald aall aalu acaa acac acad acca accc accd accu acda acdc acla aclc aclu acu- acul adaa adac adad adal adcc adda addc addd addl addu adua alaa alac alad alal alau alca alcc ald- alda aldl all- alla alll allu alua auaa auca audc aul- aula auld aull aulu c-cd caaa caac caal cac- caca cacc cada cadc cadd cadu cala calc cald call calu cauc caul ccaa ccac ccad ccca cccc cccl cccu ccdc ccla cclc ccuc cdaa cdac cdad cdda cddl clad clau clcd cldc clud cuau cuca cucc cuda cula culc culd cull daad daal daau daca dada dadu dala dall dalu daud dcca dccc dccl dccu dddd ddlc duaa duad dual duca duda dudd dudu dula dulc dull dulu duul laaa laac laad laal laca lacc lacl lacu lada ladd ladu lala lald lall lalu laud laul lcac lcad lcca lccc lcdd llcc lldc lllc llll llud luau luca luda ludd lula lull lulu luua uaca uald uaua ucad ucal ucca ucdc ucdd ucla ucua udaa udad udal udau udca ulaa ulad ulcc ulla ulua ulul uulu uuuu