a-do aaaa aaab aaad aaba aabb aabd aada aaoo abaa abab abad abag abaj abb- abba abbb abbo abda abdo abgd aboa abob abod aboo adaa adab adad adag adao adba adda addd addo adja adob adod adog adoo ag-o agad agag agao agba agbo agda agga agob agod agog agoo ajab ajag ajao ajba ajga ajob ajog ajoo aoba baaa baad baba babb babo bada badb badd bado baga bagg bago baja bbad bbbb bbdd bbdo bbga bd-j bdog bjoa boab boad boag boba bobb bobo boda bodb bodo boga bogd bogg bogo bojd bojo boob bood boog d-bo daab daad daag daba dabb dabo dada dado daga dagg dago daja dbag dddd djao doab doba dobb dod- doda dodd dodg dodo dog- doga dogg dogo doja dojo doob dood g-jo gaba gabb gabo gada gadd gado gaga gagg gago gaja gbag gbbo gddb gggg goad goba gobo goda godo goga gogo gojg gojo good goog jaba jabo jada jado jaga jagg jago jaja jbaa jbob jjad joab joad joao joba jobo joda jodo joga jogg jojo obad obba obbo obja odbo odda oddd odoo ogb ogba ogoa ogod ogog ooaa ooba ooda oooo