a-a a-b a-t aaa aab aag aao aar aat aax ab- aba abb abg abo abr abt abx ag- aga agb agg ago agr agt agx aoa aob aog aoo aor aot aox ar- ara arb arg aro arr art arx at- ata atb atg ato atr att atx ax- axa axo axr axt axx baa bab bag bao bar bat bax bba bbb bbg bbo bbr bbt bbx bga bgb bgg bgo bgr bgt bgx boa bob bog boo bor bot box bra brb brg bro brr brt brx bta btb btg bto btr btt btx bxb bxo bxx gaa gab gag gao gar gat gba gbg gbo gbr gbt gbx gga ggb ggg ggo ggr ggt goa gob gog goo gor got gox gra grb grg gro grr grt grx gta gtb gtg gto gtr gtt gtx gxa gxt oaa oab oag oao oar oat oax ob- oba obb obg obo obr obt obx oga ogg ogo ogt ogx oo- ooa oob oog ooo oor oot oox or- ora orb org oro orr ort orx ot- ota otb otg oto otr ott ox- oxa oxb oxo oxt oxx ra- raa rab rag rao rar rat rax rba rbb rbg rbo rbr rbt rbx rga rgb rgg rgo rgr rgt rgx roa rob rog roo ror rot rox rra rrb rrg rrr rrt rta rtb rtg rto rtr rtt rtx rxr t-x taa tab tag tao tar tat tax tba tbb tbg tbo tbr tbt tga tgb tgg tgo tgr tgt to- toa tob tog too tor tot tox tra trb trg tro trr trt trx tta ttb ttg tto ttr ttt ttx txt xaa xag xar xat xbr xbx xoa xog xoo xor xot xox xrt xrx xtr xtx xxo xxx

aaaa aaab aaar aaba aabb aabt aaoo aara aaro aart aata aatt abaa abab abag abar abat abax abb- abba abbb abbo abbr abbt aboa abob aboo abor abot abox abra abro abta ag-o agag agao agar agat agba agbo agga agob agog agoo agot agra agro agta agtr agxt aoba aora aorb aort arab arag arar arat arax arba arga argb argo aroa arob aroo aror arr- arra arrg arro arrr arrt arta arto artr artx at-t at-x ataa atab atar atat atax atgo atob ator atot atra atro atrx atta atto attr axar axat axo- axoa axto axxo ba-x baaa baar baat baba babb babo babr baga bagg bago bagt bar- bara barb barg baro barr bart barx bata bato batt baxt bbbb bbga bbox bbrg boab boag boar boat boba bobb bobo boga bogg bogo bogt boob boog boor boot boox bor- bora borg boro borr bort bota botb boto bott boxa brab brag brao brat brax broa brob brog broo bror brot brox brrr btaa btob btor btrt bttb gaar gaba gabb gabo gabr gabt gaga gagg gago gara garb garg garo garr gart gata gato gatr gatt gatx gbag gbbo ggbt gggg goar goat goba gobo goga gogo goog goor goot gora gorb gorg goro gorr gort gota goto gott grab grat grbr grob grog groo gror grot grrr gtaa gtbr gtta oara obba obbo obor obot obox obra obro ogar ogb ogba ogoa ogog ogra ogro ooaa ooba oooo oora oort ootb orab orao orar orat orba orbb orbo orga orgo oro- oror orot orra orro orta orto otar oto- otog otoo otor otra otro otta otto oxa- oxo- oxox oxxo raab raag raat raba rabb rabo raga ragg rago raob rara rarb raro rata rato ratt raxa rbbb rbbr rgba rgtr roab roag roar roat rob- roba robb robo robt roga rogg rogo roob roog roor root roox rora roro rort rota rotg roto rotr rott roxa roxo rrat rrrr taa- taag taar taat taba tabb tabo taga tagg tago taoa taor tara tarb targ taro tarr tart tata tatb tato tatr tatt tax- taxa taxo taxt tbar tbox tbrb tbta toab toat toba tobo tobt toga togo togr togt tooa toor toot tora torg toro torr tort torx tota toto totr tott tox- toxa toxo toxt traa trab trag trao trat trax troa trog troo trot trox trra trtr ttab ttbb tttt txaa txga txtr xaar xaga xago xara xbar xbox xbra xorg xoro xoxo xtar xtra xtro xxxo xxxx

-aaa- a-box aaarg aaata aabaa aabba aabga aabra aagot abaab ababa abaga abago abara abbar abbat abbot abgar aboab aboat abobo aboot abora abort abott abrar abtaa abtao abtar agago agara agaro agarx agata agbor aggag aggar aggat aggot aggro agoat agogo agora agro- agror aooga aort- aorta ar-ab araat arab- araba arabo arago arara arata araxa arbab arbar arbat arbor arbot argot argox aroab aroar aroba aroga aroor aroot arora arrgt art-x artag artar artat artax artgo arto- artoo artot atago atara ataxx atbar atbat atgar atoot atora atoto atrab atrax atro- atroa atrot atrox attar atto- attra baart baata babar babax baboo babot babra bagag bagao bagar bagga bagor bagot bagra baoro bar-x baraa barab barag barao barar barat barba barga baro- baroa barog baroo baror barot barra barro barta barto batab batar batat batob batog batoo bator batra batta batto bbart bo-bo boaro boart boatg bobar bobr bogar bogat bogga bogor bogot bogra booat booba boora boort boota bootx borat borax borba borbo borga borgo boro- boroa boroo borot borox borra borro botar botox botro botta braat braga bragb bragg bratt brgat brobo broga brora broto broxa brrar brrrr btr-t ga-ga gaago gaara gabar gabat gabba gabbo gabor gabra gagar gaggo gagra garab garag garba garbo garga garoo garor garot garra garro gatab gator gatra gatta gatto gbara ggaba go-go go-oo go-to goart gobag gobar gobbo gobot gogao gogar gogga gogro gooat goobo goora goraa gorab gorgo gorta gotab gotat gotoo gotor gotra gotta gotto grabo gragg grata grgar groa groat grogg groot grott grrrr gtrot o-r-b oagar oaror obaba obara obata oboga obora oboro obrab obrat ogart ogata oggar ogogo ooooo oraba orara orato orbot orobo orrgo ortoo otago otara otoba ototo otrag otrar ottar