-vac aaaa aaac aaad aaav aaca aacc aacd aacu aacv aada aadc aadu aava acaa acac acad acag acca accc accd accu acda acdc acga acu- acvv adaa adac adad adag adcc adda addc addd addu adua agac agad agag agau agav agca agcc agda agga aggu agua agva auaa auca audc auga auug avcc avda avva c-cd caaa caac cac- caca cacc cada cadc cadd cadu caga cagg cauc cava cavu ccaa ccac ccad ccag ccca cccc cccu cccv ccdc ccga ccgc ccuc cdaa cdac cdad cdda cdvd cgac cgcc cgcg cuau cuca cucc cuda cuga cvac cvca cvcc daad daag daau daca dada dadu daga dagg dagu dagv daud dava dcca dccc dccu dccv dcvd dcvg dddd dgac dgca duaa duad duca duda dudd dudu duga dugu duva dvda gada gadd gaga gagg gagu gaua gaud gava gc-c gcaa gccc gcda gdca gggg guaa guac guag guca guda gudu guga gugg gugu guva gvvv uaca uaua ucad ucav ucca ucdc ucdd ucua udaa udad udau udca ugcc ugcg uguu uuuu uv-a uv-c uvaa uvac uvda uvvu vaad vaca vada vadu vag- vaga vagg vaud vava vcug vdcc vgcc vuca vuda vudu vugg vvvv