a-do aaaa aaac aaad aaca aacc aacd aaco aada aadc aaoo acaa acac acad acag acca accc accd acco acda acdc acga acoa acod acog adaa adac adad adag adao adcc adda addc addd addo adgz adoc adod adog adoo ag-o agac agad agag agao agaz agca agcc agco agda agdz agga agod agog agoo agoz aoca aza- azad azaz azca azo- azog azoo azza azzo c-cd caaa caac cac- caca cacc caco cada cadc cadd cado caga cagg cago cagz caod caoz caza cazo ccaa ccac ccad ccag ccca cccc ccdc ccga ccgc ccoc ccod cdaa cdac cdad cdda cdza cgac cgcc cgcg coad coag coca coco coda codd cogo cood cozd cozz daad daag daca dada dado daga dagg dago dazz dcca dccc dcgo dddd ddoc dgac dgca doca doco dod- doda dodd dodg dodo dog- doga dogg dogo dood doza dozo dzca gacz gada gadd gado gaga gagg gago gaza gc-c gcaa gccc gcda gcoa gdca gggg goad goca goda godo goga gogo good goog goza gozd gozo ocac ocad occa occc ocga odac odda oddd odoo ogdc ogoa ogod ogog ooaa ooda oooo ozd ozga zaca zada zagg zago zaza zoco zoda zodd zogg zogo zoo- zoza zozo zzzz