a-a a-b a-t a-z aaa aab aao aar aat aau aaz ab- aba abb abo abr abt abu abz aoa aob aoo aor aot aou ar- ara arb aro arr art aru arz at- ata atb ato atr att atu atz au- aua aub auo aur aut auz az- aza azb azo azt azu azz b-u baa bab bao bar bat bau baz bba bbb bbo bbr bbt bbu boa bob boo bor bot bou boz bra brb bro brr brt bru brz bta btb bto btr btt btu btz bua bub buo bur but buu buz bza bzo bzr bzu bzz oaa oab oao oar oat oau ob- oba obb obo obr obt obu oo- ooa oob ooo oor oot or- ora orb oro orr ort oru orz ot- ota otb oto otr ott otu otz ou- oua ouo our out oza ozo ozt ozu ozz ra- raa rab rao rar rat rau raz rba rbb rbo rbr rbt rbu roa rob roo ror rot rou roz rra rrb rrr rrt rru rta rtb rto rtr rtt rtu rtz rua rub ruo rur rut ruu ruz rza rzb rzo taa tab tao tar tat tau taz tba tbb tbo tbr tbt tbu tbz to- toa tob too tor tot tou toz tra trb tro trr trt tru trz tta ttb tto ttr ttt ttu tua tub tuo tur tut tuu tuz tza tzu ua- uaa uab uao uar uat uau uaz uba ubb ubo ubr ubt ubu uoa uob uoo uor uot ur- ura urb uro urr urt uru urz uta utb uto utr utt utu utz uua uur uut uuu uza uzb uzo uzu zaa zab zao zar zat zaz zbb zbr zbt zo- zoa zob zoo zor zot zou zro zta ztr zub zur zut zuz zzr zzt zzz

aaaa aaab aaar aaba aabb aabt aaoo aara aaro aart aaru aata aatt abaa abab abar abat abau abb- abba abbb abbo abbr abbt aboa abob aboo abor abot abou abra abro abta abtu abua abut abza abzu aoba aora aorb aort aout arab arar arat arau arba aroa arob aroo aror aroz arr- arra arro arrr arrt arru arta arto artr artz arua arub arut arza arzo arzu at-t ataa atab atar atat atob ator atot atoz atra atro atru atta atto attr attu atua atub atur auaa aur- aura auro aut- auto aza- azab azar azat azaz azo- azoo azor azot azra azua azur azza azzo baaa baar baat baaz baba babb babo babr babu bar- bara barb baro barr bart baru barz bata bato batt batu batz bau- baur baza bazo bbau bbbb boab boar boat boaz boba bobb bobo bobu boob boor boot booz bor- bora boro borr bort boru borz bota botb boto bott boua bour bout boza bozo brab brao brat brau braz broa brob broo bror brot brou broz brrr brut bruz brza btaa btob btor btrt bttb buar buat buba bubb bubo bubu bur- bura burb buro burr burt buru burz but- buta buto butt butz buuz buza buzz bzou bzzt bzzz oaau oara obba obbo obor obot obra obro ooaa ooba oooo oora oort ootb orab orao orar orat orba orbb orbo orbu oro- oror orot oroz orra orro orta orto orub orzo orzu otar oto- otoo otor otra otro otta otto ottu otur ouat our- oura ouro ourt out- outa outb outo ouu- ouza ouzo ozar raab raat raaz raba rabb rabo rabu raob rara rarb raro rarz rata rato ratt ratu ratz raua raub raut raza razo razr razz rbbb rbbr roab roar roat rob- roba robb robo robt robu roob roor root rooz rora roro rort roru rota roto rotr rott roua roub rout rouz roza rozz rrat rrrr ruba rubb rubu rura ruro ruru ruta ruto rutt rutu ruza rzab taa- taar taat taba tabb tabo tabu taoa taor taou tara tarb taro tarr tart taru tata tatb tato tatr tatt tatu tatz taua taub taur taut taza tazo tazr tazz tbar tbrb tbta toab toat toau toba tobo tobt tobu tooa toor toot tora toro torr tort toru tota toto totr tott tour tout toza tozo traa trab trao trat trau traz troa troo trot trou trra trtr trub trut truu ttab ttbb tttt tuao tuar tuat tuba tubb tubo tubr tubu tuor tura turb turo turr turt turu tuta tuto tutt tutu tuuo tuza tuzu tuzz tzar tzur tzut tzzt uart uaru uata uatu uaua ubar ubba ubbo ubra uor- urao urat urau urba uro- uroa uroo urra urur urut uruz urza utau utor utto uttu uuta uuuu z-ro zaar zaat zaba zabo zabr zabu zara zarb zaro zarr zaru zaur zaza zazu zbar zoar zoat zobo zoo- zoot zora zorb zoro zort zota zott zotz zoza zozo zozu ztoa zubo zubr zubu zuoz zura zurb zurr zuru zuta zuzu zzzz

-aaa- aaata aabaa aabba aabra aarau abaab ababa ababu abara abaru abaza abazu abbar abbat abbot abbou abbur aboab aboat abobo aboot abora abort abott about abrar abtaa abtao abtar abura aburr abuta abutt abuzz abzar aort- aorta ar-ab araat arab- araba arabo araoz arara araru arata aratz arbab arbar arbat arbaz arbor arbot aroab aroar aroba aroor aroot arora arout arrau arrou arroz arrua artar artat arto- artoo artot artou artur aruaa aruba arura aruru aruta arzat arzoo arzua atabu atara ataru atbar atbat atoot atora atoto atour atout atrab atro- atroa atrot attar atto- attra attur atura aurar aurat auro- auroa auror aurra auto- autor autza auzat azabu azara azaru azata azbar azour azrar azrat azrou aztar azura azuro baart baata babar babau baboo babot babou babra babur babut baoro baraa barab barao barar barat baraz barba barbu baro- baroa baroo baror barot barra barro barru barta barto bartz barua barut barza barzu batab batar batat batau batob batoo bator batou batra batta batto battu batuo batur batuz baubo baura bauru bauta bauza bazar bazoo bazou bbart bo-bo boaro boart bobar bobr booat booba boora boort booru boota booza borat