a-do aaaa aaab aaad aaar aaba aabb aabd aabt aada aadt aaoo aara aard aaro aart aata aatt abaa abab abad abag abar abat abb- abba abbb abbo abbr abbt abda abdo abgd aboa abob abod aboo abor abot abra abro abta adaa adab adad adag adao adar adat adba adda addd addo addr adob adod adog adoo ador adot adra adro adta ag-o agad agag agao agar agat agba agbo agda agga agob agod agog agoo agot agra agro agta agtr aoba aora aorb aort aotd arab arad arag arar arat arba arda ardo arga argb argo aroa arob arod aroo aror arr- arra arrg arro arrr arrt arta arto artr at-t ataa atab atad atar atat atdt atgo atob atod ator atot atra atro atta atto attr baaa baad baar baat baba babb babo babr bada badb badd bado badr baga bagg bago bagt bar- bara barb bard barg baro barr bart bata bato batt bbad bbbb bbdd bbdo bbga bbrg bd-r bdog boab boad boag boar boat boba bobb bobo boda bodb bodo boga bogd bogg bogo bogt boob bood boog boor boot bor- bora bord borg boro borr bort bota botb botd boto bott brab brad brag brao brat brda brdo brdt broa brob brod brog broo bror brot brrr btaa btdt btob btor btrt bttb d-bo daab daad daag daar daba dabb dabo dabt dada dado daga dagg dago dagr dara darb dard darg daro darr dart data dato datr datt dbag dbar dbtt dddd ddot doab doar doat doba dobb dod- doda dodd dodg dodo dog- doga dogg dogo doob dood door doot dora dord doro dorr dort dota dotd doto dott draa drab drad drag drar drat drba drda drob drod drog drot drra dtaa dtor dtot gaar gaba gabb gabo gabr gabt gada gadd gado gaga gagg gago gara garb gard garg garo garr gart gata gato gatr gatt gbag gbbo gddb gdor gdrt ggbt gggg goad goar goat goba gobo goda godo goga gogo good goog goor goot gora gorb gord gorg goro gorr gort gota gotd goto gott grab grad grat grbr grob grod grog groo gror grot grrr gtaa gtbr gtta oara obad obba obbo obdt obor obot obra obro obtd odbo odda oddd odoo odor odot odra ogar ogb ogba ogoa ogod ogog ogra ogro ooaa ooba ooda oooo oora oord oort ootb orab orad orao orar orat orba orbb orbo orda ordo orga orgo oro- oror orot orra orro orta orto otar otbd oto- otog otoo otor otra otro otta otto raab raad raag raat raba rabb rabo rada radd rado radr radt raga ragg rago raob rara rarb raro rata rato ratt rbbb rbbr rgba rgtr roab road roag roar roat rob- roba robb robo robt roda rodd rodo roga rogg rogo roob rood roog roor root rora roro rort rota rotg roto rotr rott rrad rrat rrrr rtdt taa- taag taar taat taba tabb tabo tada tadg tado taga tagg tago taoa taor tara tarb tard targ taro tarr tart tata tatb tato tatr tatt tbar tbrb tbta tddb tdor tdra toab toad toat toba tobo tobt toda todd todo todt toga togo togr togt tooa tood toor toot tora tord torg toro torr tort tota totd toto totr tott traa trab trad trag trao trat troa trod trog troo trot trra trtr ttab ttbb tttt