a-a a-b a-t aaa aab aao aar aat aav ab- aba abb abo abr abt abv aoa aob aoo aor aot aov ar- ara arb aro arr art arv at- ata atb ato atr att atv av- ava avb avo avr avt baa bab bao bar bat bav bba bbb bbo bbr bbt boa bob boo bor bot bov bra brb bro brr brt brv bta btb bto btr btt btv bva bvb bvo bvr bvt bvv oaa oab oao oar oat oav ob- oba obb obo obr obt obv oo- ooa oob ooo oor oot oov or- ora orb oro orr ort orv ot- ota otb oto otr ott otv ov- ova ovb ovo ovv ra- raa rab rao rar rat rav rba rbb rbo rbr rbt roa rob roo ror rot rov rra rrb rrr rrt rta rtb rto rtr rtt rtv rva rvb rvo rvr rvt rvv taa tab tao tar tat tav tba tbb tbo tbr tbt tbv to- toa tob too tor tot tov tra trb tro trr trt trv tta ttb tto ttr ttt ttv tva tvb tvo tvr tvt v-a vaa vab vao var vat vav vba vbo vbr vbv voa vob voo vor vot vov vra vrb vrr vrt vta vtb vto vtr vtt vtv vva vvb vvo vvr vvt vvv

aaaa aaab aaar aaav aaba aabb aabt aaoo aara aaro aart aata aatt aava abaa abab abar abat abb- abba abbb abbo abbr abbt aboa abob aboo abor abot abov abra abro abta abva aoba aora aorb aort arab arar arat arba aroa arob aroo aror arr- arra arro arrr arrt arta arto artr artv arva arvo at-t ataa atab atar atat atob ator atot atra atro atta atto attr avab avao avar avat avor avot avra avro avva avvo baaa baar baat baba babb babo babr bar- bara barb baro barr bart bata bato batt bava bbbb boab boar boat boba bobb bobo boob boor boot bor- bora boro borr bort bota botb boto bott bova bovo brab brao brat brav 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 orav orba orbb orbo oro- oror orot orra orro orta orto orvr otar oto- otoo otor otov otra otro otta otto ovar ovo- ovoo ovot ovra raab raat raba rabb rabo raob rara rarb raro rata rato ratt rava rbbb rbbr roab roar roat rob- roba robb robo robt roob roor root rora roro rort rota roto rotr rott rova rovo rrat rrrr rtva taa- taar taat taba tabb tabo taoa taor tara tarb taro tarr tart tata tatb tato tatr tatt tatv tava tavo tbar tbrb tbta toab toat toba tobo tobt tooa toor toot tora toro torr tort torv tota toto totr tott tova tovo traa trab trao trat trav troa troo trot trra trtr ttab ttbb tttt tvro tvrr tvtv vaar vaat vara varr vart vata vato vatt vava voar voat voor voot vor- vora voro vort vota voto vrav vrba vrot vrto vvob vvvv

-aaa- aaata aabaa aabba aabra abaab ababa abara abava abbar abbat abbot aboab aboat abobo aboot abora abort abott abovo abrar abtaa abtao abtar aort- aorta ar-ab araat arab- araba arabo arara arata arava arbab arbar arbat arbor arbot aroab aroar aroba aroor aroot arora artar artat arto- artoo artot arvar atara atbar atbat atoot atora atoto atrab atro- atroa atrot attar atto- attra atvr avara avaro avato baart baata baava babar baboo babot babra baoro baraa barab barao barar barat barba baro- baroa baroo baror barot barra barro barta barto barva batab batar batat batob batoo bator batov batra batta batto bavar bavra bbart bo-bo boaro boart bobar bobov bobr booat booba boora boort boota borat borba borbo boro- boroa boroo borot borov borra borro borvo botar botro botta braat bratt brava bravo brobo brora broto brova brrar brrrr btr-t o-r-b oaror obaba obara obata obava obora oboro obrab obrat obrov obrva ooooo oovoo oraba orara orato orava orbot orobo ortoo orvar otara otava otoba ototo otrar otrov ottar ottov ovar- ovaro ovata ra-ra raaba raaor rabab rabat rabba rabor rabot rabta ratba ratot ratra ratta ratto ratva ravar ravat rboat ro-ro robab robar robat robbo robo- robor robot robrt rooba roota rorra rota- rotar roto- rotoa rotor rotot rotta rotto rttov 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 tarva tataa tatao tatar tatoo tator tatra tatta tatto tavar tavor tbtbt tobar tobat tobor tobot toora torab torat torba toroa torob torro torta torto toto- totoo totra totta tovar traba traor trata trato tratt trava travo troat trota trott trova trovo ttttt tvora v-bob v-bor vaara varab varbo varor varra varro varta varto varva vatav vatoa vator vatra vatta vatva vavar vavra vorab vorra vorta votto vrata vrato vrbov

aaaaba aabroo abarat abaroa abarta abatar abator abbott abobra aborto abrota aorto- arabo- arabov ararao ararat arator aratta aravot arbra arraba arroba artova arvato at-bat ataaba atarba atarot atarra atavar atbara atrata atrato atroot attoor avatar avator avrora avtaar avtovo baabaa baabar baaror baatar baator babbar babovo baobab bar-or baraat barara barata barato barbar barbat barbot barbra barbro baroot baroto barovo barrat bartab bartra batara batata batova batovo bavaro bbbbbb boabab bobara bobbar bobota bobova bobovo bobrov booboo boorta borata borato borbor bororo borota borova borovo botoro botota botovo bovara bratva brotto oatbar oooooo orator oratta orbara otaara ottarr ottava ottoor ovato- ovator raabta rababa rabato rabbat rabbot rabovo ratata ratbat ratbor ratbot rattar rattat ravoor roarat roatta roatto robata robota roboto robovo rooart rotava rovato t-barb taarab tabara tabata tabbat tabbor taboot tabora taobao taobat taotao taraba tarara tarata taravo tarbor tarrar tartar tartor tartr- tataat tatara tatoba tatora tatort tattat tattoo tattva tavara tavbor to-rat toatoa tobata toboot tooart tootat tootoo toovar tororo torovo torrao tortor torva totara totora totoro totota totrot tovata tra-ra travat trotro