a-do aaaa aaab aaad aaba aabb aabd aada aaoo abaa abab abad abag abb- abba abbb abbo abda abdo abgd aboa abob abod aboo abza adaa adab adad adag adao adba adda addd addo adgz adob adod adog adoo ag-o agad agag agao agaz agba agbo agda agdz agga agob agod agog agoo agoz aoba aza- azab azad azaz azo- azog azoo azza azzo baaa baad baaz baba babb babo bada badb badd bado baga bagg bago baza bazo bbad bbbb bbdd bbdo bbga bdog boab boad boag boaz boba bobb bobo boda bodb bodo boga bogd bogg bogo boob bood boog booz boza bozo bzzz d-bo daab daad daag daba dabb dabo dada dado daga dagg dago dazz dbag dddd doab doba dobb dod- doda dodd dodg dodo dog- doga dogg dogo doob dood doza dozo dzbb gaba gabb gabo gabz gada gadd gado gaga gagg gago gaza gbag gbbo gddb gggg goad goba gobo goda godo goga gogo good goog goza gozd gozo obad obba obbo odbo odda oddd odoo ogb ogba ogoa ogod ogog ooaa ooba ooda oooo ozd ozga zaba zabo zada zagg zago zaza zgba zobo zoda zodd zogg zogo zoo- zoza zozo zzzz