a-do aaaa aaab aaad aaba aabb aabd aabt aada aadt aaoo aata aatt abaa abab abad abat abb- abba abbb abbo abbt abda abdo aboa abob abod aboo abot abta abza adaa adab adad adao adat adba adda addd addo adob adod adoo adot adta aoba aotd at-t ataa atab atad atat atdt atob atod atot atoz atta atto aza- azab azad azat azaz azo- azoo azot azza azzo baaa baad baat baaz baba babb babo bada badb badd bado bata bato batt batz baza bazo bbad bbbb bbdd bbdo boab boad boat boaz boba bobb bobo boda bodb bodo boob bood boot booz bota botb botd boto bott boza bozo btaa btdt btob bttb bzzt bzzz d-bo daab daad daba dabb dabo dabt dada dado data dato datt datz dazz dbtt dddd ddot doab doat doba dobb dod- doda dodd dodo doob dood doot dota dotd doto dott doza dozo dtaa dtot dzbb obad obba obbo obdt obot obtd odbo odda oddd odoo odot ooaa ooba ooda oooo ootb otbd oto- otoo otta otto ozd taa- taat taba tabb tabo tada tado taoa tata tatb tato tatt tatz taza tazo tazz tbta tddb toab toad toat toba tobo tobt toda todd todo todt tooa tood toot tota totd toto tott toza tozo ttab ttbb tttt tzzt zaat zaba zabo zada zaza zoat zobo zoda zodd zoo- zoot zota zott zotz zoza zozo ztoa zzzz