a-a a-b a-t aaa aab aam aao aar aat aau ab- aba abb abm abo abr abt abu ama amb amm amo amr amt amu aoa aob aom aoo aor aot aou ar- ara arb arm aro arr art aru at- ata atb atm ato atr att atu au- aua aub aum auo aur aut b-u baa bab bam bao bar bat bau bba bbb bbm bbo bbr bbt bbu bma bmb bmm bmo bmr bmt bmu boa bob bom boo bor bot bou bra brb brm bro brr brt bru bta btb btm bto btr btt btu bua bub bum buo bur but buu m-o m-r maa mab mam mao mar mat mau mba mbb mbm mbo mbr mbt mbu mma mmb mmm mmo mmr mmt mmu moa mob mom moo mor mot mou mra mrb mrm mro mrr mrt mru mta mtb mtm mto mtr mtt mtu mua mub mum mur mut muu oaa oab oam oao oar oat oau ob- oba obb obm obo obr obt obu om- oma omb omm omo omr omt omu oo- ooa oob oom ooo oor oot or- ora orb orm oro orr ort oru ot- ota otb otm oto otr ott otu ou- oua oum ouo our out ra- raa rab ram rao rar rat rau rba rbb rbm rbo rbr rbt rbu rma rmb rmm rmo rmr rmt roa rob rom roo ror rot rou rra rrb rrm rrr rrt rru rta rtb rtm rto rtr rtt rtu rua rub rum ruo rur rut ruu taa tab tam tao tar tat tau tba tbb tbm tbo tbr tbt tbu tma tmb tmm tmo tmr tmt tmu to- toa tob tom too tor tot tou tra trb trm tro trr trt tru tta ttb ttm tto ttr ttt ttu tua tub tum tuo tur tut tuu ua- uaa uab uam uao uar uat uau uba ubb ubo ubr ubt ubu um- uma umb umm umo umr umt umu uoa uob uom uoo uor uot ur- ura urb urm uro urr urt uru uta utb utm uto utr utt utu uua uum uur uut uuu

aaaa aaab aaam aaar aaba aabb aabm aabt aama aamb aamo aamr aaoo aara aarm aaro aart aaru aata aatt abaa abab abam abar abat abau abb- abba abbb abbo abbr abbt abma abmb abmt aboa abob aboo abor abot abou abra abro abta abtu abua abum abut amaa amam amar amat amb- amba ambo ambr ambu amm- amma ammo ammu amob amoo amor amot amou amra amro amta amto amua amum amur aoba aoma aora aorb aort aout arab aram arar arat arau arba arma armm armo armt armu aroa arob arom aroo aror arr- arra arro arrr arrt arru arta arto artr arua arub arum arut at-t ataa atab atar atat atm- atma atmo atmu atob atom ator atot atra atrm atro atru atta atto attr attu atua atub atum atur auaa auma aur- aura auro aut- auto baaa baam baar baat baba babb babm babo babr babu bama bamb bamm bamu bar- bara barb barm baro barr bart baru bata bato batt batu bau- baum baur bbau bbbb bmaa boab boar boat boba bobb bobo bobu boma bomb bomt bomu boob boom boor boot bor- bora borm boro borr bort boru bota botb boto bott boua boum bour bout brab bram brao brat brau broa brob brom broo bror brot brou brrm brrr brum brut btaa btob btor btrt bttb buar buat buba bubb bubo bubu bum- buma bumb bur- bura burb burm buro burr burt buru but- buta buto butt maaa maam maar maat maba mabo mabu mama mamo mamu maor mar- mara marm maro marr mart maru mata mato matr matt matu maua maum maur maut mbam mbba mbou mbta mmaa mmab mmar mmmm mmor moaa moab moam moar moat moba mobb mobo moma momo momu mooa moob moor moot mora morb moro mort moru mota motb motm moto mott motu mour mout mrbb mrbm mrta mrtm mrtt mtaa mtab mtbo mtoa mtom mtor mtrr mttr muar mubo muma mumm mumo mumu mura muro murr murt muru muta muto mutt mutu muut oaau oama oara obba obbo obor obot obra obro omam omao omar ombo ombu omma omo- omoa omoo omor omra omro omuo ooaa ooba ooma oooo oora oort ootb orab oram orao orar orat orba orbb orbo orbu orma ormo oro- orom oror orot orra orro orta orto orub orum otar otma oto- otoo otor otra otro otta otto ottu otur ouat ouma our- oura ouro ourt out- outa outb outo ouu- raab raam raat raba rabb rabo rabu rama ramb ramm ramo ramu raob raom rara rarb raro rata rato ratt ratu raua raub raum raut rbbb rbbr rmtu roab roam roar roat rob- roba robb robo robt robu roma romb romm romo roob room roor root rora roro rort roru rota roto rotr rott roua roub roum rout rrat rrrr rrum ruba rubb rubu ruma rumb rumm rumo rumt rura ruro ruru ruta ruto rutt rutu t-mo taa- taar taat taba tabb tabo tabu tama tamm tamo tamu taoa taom taor taou tara tarb tarm taro tarr tart taru tata tatb tato tatr tatt tatu taua taub taum taur taut tbar tbrb tbta tmaa tmbr tmou tmro tmtt toab toam toat toau toba tobo tobt tobu toma tomb tomm tomo tomt tooa toom toor toot tora torm toro torr tort toru tota totm toto totr tott toum tour tout traa trab tram trao trat trau trma trmb trmu troa trom troo trot trou trra trtr trub trut truu ttab ttbb ttma tttt tuam tuao tuar tuat tuba tubb tubo tubr tubu tuma tumb tumu tuor tura turb turm turo turr turt turu tuta tuto tutt tutu tuum tuuo uart uaru uata uatu uaua ubar ubba ubbo ubra umaa umar umb- umba umbo umma ummo umor umra umut uomo uor- urao urat urau urba urma uro- uroa urom uroo urra urum urur urut utau utmb utor utto uttu uuta