a-do aaaa aaab aaad aaba aabb aabd aabt aada aadt aaoo aata aatt abaa abab abad abag abat abb- abba abbb abbo abbt abda abdo abgd aboa abob abod aboo abot abta adaa adab adad adag adao adat adba adda addd addo adob adod adog adoo adot adta ag-o agad agag agao agat agba agbo agda agga agob agod agog agoo agot agta aoba aotd at-t ataa atab atad atat atdt atgo atob atod atot atta atto baaa baad baat baba babb babo bada badb badd bado baga bagg bago bagt bata bato batt bbad bbbb bbdd bbdo bbga bdog boab boad boag boat boba bobb bobo boda bodb bodo boga bogd bogg bogo bogt boob bood boog boot bota botb botd boto bott btaa btdt btob bttb d-bo daab daad daag daba dabb dabo dabt dada dado daga dagg dago data dato datt dbag dbtt dddd ddot doab doat doba dobb dod- doda dodd dodg dodo dog- doga dogg dogo doob dood doot dota dotd doto dott dtaa dtot gaba gabb gabo gabt gada gadd gado gaga gagg gago gata gato gatt gbag gbbo gddb ggbt gggg goad goat goba gobo goda godo goga gogo good goog goot gota gotd goto gott gtaa gtta obad obba obbo obdt obot obtd odbo odda oddd odoo odot ogb ogba ogoa ogod ogog ooaa ooba ooda oooo ootb otbd oto- otog otoo otta otto taa- taag taat taba tabb tabo tada tadg tado taga tagg tago taoa tata tatb tato tatt tbta tddb toab toad toat toba tobo tobt toda todd todo todt toga togo togt tooa tood toot tota totd toto tott ttab ttbb tttt