a-a a-b a-c a-t a-z aaa aab aac aam aao aar aat aau aaz ab- aba abb abc abm abo abr abt abu abz ac- aca acb acc acm aco acr act acu acz ama amb amc amm amo amr amt amu amz aoa aob aoc aom aoo aor aot aou ar- ara arb arc arm aro arr art aru arz at- ata atb atc atm ato atr att atu atz au- aua aub auc aum auo aur aut auz az- aza azb azm azo azt azu azz b-u baa bab bac bam bao bar bat bau baz bba bbb bbc bbm bbo bbr bbt bbu bca bcb bcc bcm bco bcr bct bcu bcz bma bmb bmc bmm bmo bmr bmt bmu bmz boa bob boc bom boo bor bot bou boz bra brb brm bro brr brt bru brz bta btb btc btm bto btr btt btu btz bua bub buc bum buo bur but buu buz bza bzo bzr bzu bzz c-- caa cab cac cam cao car cat cau caz cba cbb cbc cbm cbo cbr cbt cbu cbz cca ccb ccc ccm cco ccr cct ccu ccz cma cmb cmc cmm cmo cmr cmt cmu co- coa cob coc com coo cor cot cou coz cra crb crc crm cro crr crt cru crz cta ctb ctc ctm cto ctr ctt ctu ctz cua cub cuc cum cuo cur cut cuu cuz cz- czc czm czo czt m-o m-r maa mab mac mam mao mar mat mau maz mba mbb mbc mbm mbo mbr mbt mbu mc- mca mcb mcc mcm mco mcr mct mcu mcz mma mmb mmc mmm mmo mmr mmt mmu mmz moa mob moc mom moo mor mot mou moz mra mrb mrc mrm mro mrr mrt mru mrz mta mtb mtc mtm mto mtr mtt mtu mua mub muc mum mur mut muu mza mzb mzm mzt oaa oab oac oam oao oar oat oau ob- oba obb obc obm obo obr obt obu oc- oca ocb occ ocm oco ocr oct ocu ocz om- oma omb omc omm omo omr omt omu omz oo- ooa oob ooc oom ooo oor oot or- ora orb orc orm oro orr ort oru orz ot- ota otb otc otm oto otr ott otu otz ou- oua ouc oum ouo our out oza ozm ozo ozt ozu ozz ra- raa rab rac ram rao rar rat rau raz rba rbb rbc rbm rbo rbr rbt rbu rca rcb rcc rcm rco rcr rct rcu rma rmb rmc rmm rmo rmr rmt roa rob roc rom roo ror rot rou roz rra rrb rrc rrm rrr rrt rru rta rtb rtc rtm rto rtr rtt rtu rtz rua rub ruc rum ruo rur rut ruu ruz rza rzb rzm rzo taa tab tac tam tao tar tat tau taz tba tbb tbc tbm tbo tbr tbt tbu tbz tca tcb tcc tcm tco tcr tct tcu tma tmb tmc tmm tmo tmr tmt tmu tmz to- toa tob toc tom too tor tot tou toz tra trb trc trm tro trr trt tru trz tta ttb ttc ttm tto ttr ttt ttu tua tub tuc tum tuo tur tut tuu tuz tza tzu ua- uaa uab uac uam uao uar uat uau uaz uba ubb ubc ubo ubr ubt ubu uca ucb ucc ucm uco ucr uct ucu um- uma umb umc umm umo umr umt umu uoa uob uoc uom uoo uor uot ur- ura urb urc urm uro urr urt uru urz uta utb utc utm uto utr utt utu utz uua uuc uum uur uut uuu uza uzb uzo uzu zaa zab zac zam zao zar zat zaz zbb zbc zbm zbr zbt zco zma zmb zmc zmm zmt zo- zoa zob zoc zom zoo zor zot zou zro zta ztm ztr zub zuc zum zur zut zuz zzr zzt zzz

aaaa aaab aaac aaam aaar aaba aabb aabc aabm aabt aaca aacb aacc aacm aaco aacr aact aacu aama aamb aamc aamo aamr aaoo aara aarc aarm aaro aart aaru aata aatc aatt abaa abab abac abam abar abat abau abb- abba abbb abbo abbr abbt abca abcb abcc abcr abct abma abmb abmc abmt aboa abob aboo abor abot abou abra abrc abro abta abtu abua abum abut abza abzu ac-t acaa acab acac acar acat acba acca accc accm acco acct accu acma acmc acmu acoa acom acor acot acou acr- acra acrc acrm acro acrr acta actc acto actt actu acu- acum acuo acur acut amaa amac amam amar amat amaz amb- amba ambo ambr ambu amca amcc amco amm- amma ammo ammu amob amoc amoo amor amot amou amoz amra amrc amro amta amtc amto amua amum amur aoba aoca aoma aora aorb aort aotc aout arab arac aram arar arat arau arba arc- arca arcm arco arct arma armc armm armo armt armu aroa arob arom aroo aror aroz arr- arra arrc arro arrr arrt arru arta artc arto artr artz arua arub arum arut arza arzo arzu at-t ataa atab atac atar atat atca atcc atco atcr atm- atma atmo atmu atob atoc atom ator atot atoz atra atrc atrm atro atru atta atto attr attu atua atub atuc atum atur auaa auca auct auma aur- aura auro aut- auto aza- azab azar azat azaz azca azo- azoo azor azot azra azua azur azza azzo baaa baam baar baat baaz baba babb babm babo babr babu bac- baca bacc baco bact bacz bama bamb bamc bamm bamu bar- bara barb barc barm baro barr bart baru barz bata batc bato batt batu batz bau- baum baur baza bazm bazo bbau bbbb bbcm bbrc bcaa bcam bcar bcat bcbc bcca bccc bccm bcma bcor bcoz bcra bcru bctc bcuc bmaa bmoc bmtc boab boac boar boat boaz boba bobb bobo bobu boca bocm boco bocu boma bomb bomt bomu boob booc boom boor boot booz bor- bora borm boro borr bort boru borz bota botb