a-a a-b a-t aaa aab aao aar aat ab- aba abb abo abr abt aoa aob aoo aor aot ar- ara arb aro arr art at- ata atb ato atr att baa bab bao bar bat bba bbb bbo bbr bbt boa bob boo bor bot bra brb bro brr brt bta btb bto btr btt oaa oab oao oar oat ob- oba obb obo obr obt oo- ooa oob ooo oor oot or- ora orb oro orr ort ot- ota otb oto otr ott ra- raa rab rao rar rat rba rbb rbo rbr rbt roa rob roo ror rot rra rrb rrr rrt rta rtb rto rtr rtt taa tab tao tar tat tba tbb tbo tbr tbt to- toa tob too tor tot tra trb tro trr trt tta ttb tto ttr ttt

aaaa aaab aaar aaba aabb aabt aaoo aara aaro aart aata aatt abaa abab abar abat abb- abba abbb abbo abbr abbt aboa abob aboo abor abot abra abro abta aoba aora aorb aort arab arar arat arba aroa arob aroo aror arr- arra arro arrr arrt arta arto artr at-t ataa atab atar atat atob ator atot atra atro atta atto attr baaa baar baat baba babb babo babr bar- bara barb baro barr bart bata bato batt bbbb boab boar boat boba bobb bobo boob boor boot bor- bora boro borr bort bota botb boto bott brab brao brat broa brob broo bror brot brrr btaa btob btor btrt bttb oara obba obbo obor obot obra obro ooaa ooba oooo oora oort ootb orab orao orar orat orba orbb orbo oro- oror orot orra orro orta orto otar oto- otoo otor otra otro otta otto raab raat raba rabb rabo raob rara rarb raro rata rato ratt rbbb rbbr roab roar roat rob- roba robb robo robt roob roor root rora roro rort rota roto rotr rott rrat rrrr taa- taar taat taba tabb tabo taoa taor tara tarb taro tarr tart tata tatb tato tatr tatt tbar tbrb tbta toab toat toba tobo tobt tooa toor toot tora toro torr tort tota toto totr tott traa trab trao trat troa troo trot trra trtr ttab ttbb tttt

-aaa- aaata aabaa aabba aabra abaab ababa abara abbar abbat abbot aboab aboat abobo aboot abora abort abott abrar abtaa abtao abtar aort- aorta ar-ab araat arab- araba arabo arara arata arbab arbar arbat arbor arbot aroab aroar aroba aroor aroot arora artar artat arto- artoo artot atara atbar atbat atoot atora atoto atrab atro- atroa atrot attar atto- attra baart baata babar baboo babot babra baoro baraa barab barao barar barat barba baro- baroa baroo baror barot barra barro barta barto batab batar batat batob batoo bator batra batta batto bbart bo-bo boaro boart bobar bobr booat booba boora boort boota borat borba borbo boro- boroa boroo borot borra borro botar botro botta braat bratt brobo brora broto brrar brrrr btr-t o-r-b oaror obaba obara obata obora oboro obrab obrat ooooo oraba orara orato orbot orobo ortoo otara otoba ototo otrar ottar ra-ra raaba raaor rabab rabat rabba rabor rabot rabta ratba ratot ratra ratta ratto rboat ro-ro robab robar robat robbo robo- robor robot robrt rooba roota rorra rota- rotar roto- rotoa rotor rotot rotta rotto t-ara t-bar ta-ra ta-ta taabo taart tabar tabat tabo- taboo tabor tabot tabra tarar tarat tarob taroo tarot tarra tarro tarta tartt tataa tatao tatar tatoo tator tatra tatta tatto tbtbt tobar tobat tobor tobot toora torab torat torba toroa torob torro torta torto toto- totoo totra totta traba traor trata trato tratt troat trota trott ttttt

aaaaba aabroo abarat abaroa abarta abatar abator abbott abobra aborto aorto- arabo- ararao ararat arator aratta arbra arraba arroba at-bat ataaba atarba atarot atarra atbara atrata atrato atroot attoor baabaa baabar baaror baatar baator babbar baobab bar-or baraat barara barata barato barbar barbat barbot barbra barbro baroot baroto barrat bartab bartra batara batata bbbbbb boabab bobara bobbar bobota booboo boorta borata borato borbor bororo borota botoro botota brotto oatbar oooooo orator oratta orbara otaara ottarr ottoor raabta rababa rabato rabbat rabbot ratata ratbat ratbor ratbot rattar rattat roarat roatta roatto robata robota roboto rooart t-barb taarab tabara tabata tabbat tabbor taboot tabora taobao taobat taotao taraba tarara tarata tarbor tarrar tartar tartor tartr- tataat tatara tatoba tatora tatort tattat tattoo to-rat toatoa tobata toboot tooart tootat tootoo tororo torrao tortor totara totora totoro totota totrot tra-ra trotro trotta

arabata arabrot araroba arrorro atatrot attatba baabarr babbart babroot baraboo barabra barbara barbaro barbata barbato barbora barbott barratt barrtab batabat batboat batoata bbbbbbb bobbarr boo-boo boorara boratto borotba borotra bottaro o-o-a-a oottara oroboro ortaoba ottrott rababoo rabbott rat-tat ratatat rattota roboboa roo-bar roobarb rootrot rotato- rotator rotoroa tabaroa tabarra tabbora tarator tarboro tartora tartro- tat-tat tobarra too-too tortora totoaba tototoo tro-tro

bar-abba barabara barabora barobata barrator batatara bbbbbbbb bo-bo-bo bobaraba borabora brattata ra-ta-ta taratata toottoot torabora toratora tororora torotoro

arborator baabaabaa babarobot barrabora battabara borborbor rat-a-tat rattattoo tattooart

ratatattat

rat-tat-tat tat-tat-tat

tarotarotaro tatararatata tattarrattat toratoratora

rat-a-tat-tat

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb rrroooaaarrr