a-a a-b aaa aab aad aaf aag aao aar ab- aba abb abd abf abg abo abr ad- ada adb add adf adg ado adr af- afa afb afd aff afg afo afr ag- aga agb agd agf agg ago agr aoa aob aod aof aog aoo aor ar- ara arb ard arf arg aro arr baa bab bad baf bag bao bar bba bbb bbd bbf bbg bbo bbr bda bdb bdd bdf bdg bdo bdr bfa bfb bfd bff bfg bfo bfr bga bgb bgd bgf bgg bgo bgr boa bob bod bof bog boo bor bra brb brd brf brg bro brr daa dab dad daf dag dao dar dba dbb dbd dbf dbg dbo dbr dda ddb ddd ddf ddg ddo ddr dfa dfb dfd dff dfg dfo dfr dga dgd dgf dgg dgr doa dob dod dof dog doo dor dra drb drd drg dro drr faa fab fad faf fag fao far fba fbb fbd fbf fbg fbo fbr fda fdb fdd fdf fdg fdo fdr ffa ffd fff ffg ffo ffr fga fgb fgd fgf fgg fgr foa fob fof fog foo for fra frb frd frf frg fro frr g-d gaa gab gad gaf gag gao gar gba gbd gbf gbg gbo gbr gda gdb gdd gdf gdo gdr gfa gfb gfd gff gfo gfr gga ggb ggd ggg ggo ggr goa gob god gof gog goo gor gra grb grd grf grg gro grr oaa oab oad oaf oag oao oar ob- oba obb obd obf obg obo obr oda odb odd odf odg odo odr of- ofa ofb ofd off ofg ofo ofr oga ogd ogf ogg ogo oo- ooa oob ood oof oog ooo oor or- ora orb ord orf org oro orr ra- raa rab rad raf rag rao rar rba rbb rbd rbf rbg rbo rbr rda rdb rdd rdf rdg rdo rdr rfa rfb rfd rff rfg rfo rfr rga rgb rgd rgf rgg rgo rgr roa rob rod rof rog roo ror rra rrb rrd rrf rrg rrr

a-do aaaa aaab aaad aaaf aaar aaba aabb aabd aada aafa aafb aafd aaff aaoo aara aard aaro abaa abab abad abaf abag abar abb- abba abbb abbo abbr abda abdo abff abgd aboa abob abod abof aboo abor abra abro adaa adab adad adag adao adar adba adda addd addo addr adfa adob adod adog adoo ador adra adro afaa afad afao afar afdb affa affo afgf afoa afog afoo afor afr- afra afro ag-o agad agag agao agar agba agbo agda agfa agga agob agod agog agoo agra agro aoba aora aorb arab arad araf arag arar arba arda ardf ardo arfa arfb arff arga argb argo aroa arob arod aroo aror arr- arra arrg arro arrr baaa baad baaf baar baba babb babo babr bada badb badd bado badr baff bafo baga bagg bago bar- bara barb bard barf barg baro barr bbad bbbb bbdd bbdo bbga bbrg bd-r bdog bfgf boab boad boag boar boba bobb bobo boda bodb bodo bofa bofd boff boga bogd bogg bogo boob bood boof boog boor bor- bora bord borf borg boro borr brab brad braf brag brao brda brdo broa brob brod brog broo bror brrr d-bo daab daad daag daar daba dabb dabo dada dado dafa daff dafo daga dagg dago dagr dara darb dard darf darg daro darr dbag dbar dbfo dddd dfaf dffa dfrf doab doar doba dobb dod- doda dodd dodg dodo doff dog- doga dogg dogo doob dood doof door dora dord dorf doro dorr draa drab drad draf drag drar drba drda drob drod drof drog drra faaa faad faba fabd fabo fada fadd fado fafa faff fafg fafo fagg fago fara farb fard farg faro farr fbar fdoa ffar ffff ffrr foad foaf foar foba foda fofo fogg fogo food foof for- fora forb ford forg foro forr frab frad frag frob frog gaar gaba gabb gabo gabr gada gadd gado gafa gafb gaff gaga gagg gago gara garb gard garf garg garo garr gbag gbbo gddb gdfr gdor gffa gfoa gfor ggfg gggg goad goaf goar goba gobo goda godo goff gofr goga gogo good goof goog goor gora gorb gord gorf gorg goro gorr grab grad graf grbr grfa grob grod grof grog groo gror grrr oafo oara obad obba obbo obor obra obro odbo odda oddd odoo odor odra ofdr off- offa offo offr ofgo ofor ofra ogar ogb ogba ogfr ogoa ogod ogog ogra ogro ooaa ooba ooda ooff oooo oora oord orab orad orao orar orba orbb orbo orda ordo orff orga orgo oro- orof oror orra orro raab raad raaf raag raba rabb rabo rada radd rado radr rafa raff raga ragg rago raob rara rarb rarf raro rbaf rbbb rbbr rdfa rgba roab road roaf roag roar rob- roba robb robo roda rodd rodo roff rofo roga rogg rogo roob rood roof roog roor rora roro rrad rrrr

-aaa- -abad -drag aaarg aabaa aabba aabga aabra abaab ababa abada abaga abago abara abbad abbar abbod abfab abgar aboab aboad abobo abood abora abord abrad abrar abrod adaba adada adado adara adaro addra adoar adobo adodb adoor adora adorf adoro adrad adrag adrar adroa afara affor afgar afgod afro- afrob afrog agada agafa agago agara agard agaro agbor aggag aggar aggro agogo agood agoof agora agro- agror aooga ar-ab arab- araba arabo arada arado arafo arago arara arbab arbar arbor ardab ardod ardor ardra aroab aroad aroar aroba aroga aroof aroor arora baard babar babdo baboo babra badao badar baddo badod badoo badra baffa bafra bagad bagag bagao bagar bagda bagga bagod bagof bagor bagra baoro baraa barab barad barag barao barar barba barda bardo barff barga baro- baroa barof barog baroo baror barra barro bdoor bfrog bo-bo boada board boaro bobar bobr bodd- bodog bodor boffa boffo bogad bogar bogda bogga bogof bogor bogra booba boora boord borba borbo borda bordo borga borgo boro- boroa borod boroo borra borro brada braff braga