-er a-a a-b a-c a-z aaa aab aac aae aar aau aaz ab- aba abb abc abe abr abu abz ac- aca acb acc ace acr acu acz aea aeb aec aee aer aeu aez ar- ara arb arc are arr aru arz au- aua aub auc aue aur auz az- aza azb aze azu azz b-u baa bab bac bae bar bau baz bba bbb bbc bbe bbr bbu bca bcb bcc bce bcr bcu bcz be- bea beb bec bee ber beu bez bra brb bre brr bru brz bua bub buc bue bur buu buz bza bze bzr bzu bzz c-- caa cab cac cae car cau caz cba cbb cbc cbe cbr cbu cbz cca ccb ccc cce ccr ccu ccz ce- cea ceb cec cee cer ceu cez cra crb crc cre crr cru crz cua cub cuc cue cur cuu cuz cz- czc cze eaa eab eac eae ear eau eaz eba ebb ebc ebe ebr ebu ec- eca ecb ecc ece ecr ecu eea eeb eec eee eer era erb erc ere err eru erz eu- eua eub euc eue eur eze ezr ezz ra- raa rab rac rae rar rau raz rba rbb rbc rbe rbr rbu rca rcb rcc rce rcr rcu re- rea reb rec ree rer reu rez rra rrb rrc rrr rru rua rub ruc rue rur ruu ruz rza rzb rze ua- uaa uab uac uae uar uau uaz uba ubb ubc ube ubr ubu uca ucb ucc uce ucr ucu uea ueb uec uee uer ur- ura urb urc ure urr uru urz uua uuc uue uur uuu uza uzb uzu zaa zab zac zar zaz zbb zbc zbr zce zea zeb zec zee zer zez zub zuc zur zuz zzr zzz

a-be aaaa aaab aaac aaae aaar aaba aabb aabc aaca aacb aacc aace aacr aacu aaea aaec aara aarc aare aaru abaa abab abac abae abar abau abb- abba abbb abbe abbr abca abcb abcc abcr abec abee aber abez abra abrc abua abue abza abzu acaa acab acac acae acar acba acca accc acce accu ace- acea acec acer acr- acra acrc acre acrr acu- acue acur aeac aecb aeer aer- aera aerc arab arac arae arar arau arba arbe arc- arca arce area arec aree areu arr- arra arrc arre arrr arru arua arub arue arza arzu auaa aube auca auce auer aur- aura aure aza- azab azar azaz azca azer azra azua azur azza baaa baar baaz baba babb babe babr babu bac- baca bacc bace bacz baer baez bar- bara barb barc bare barr baru barz bau- baur baza baze bbau bbbb bbeb bbrc bcaa bcar bcbc bcca bccc bcec bcer bcra bcru bcuc bear beau beba bebb bebe beca becu beeb beer bera berc bere berr beru beur beze bezu brab brac brae brau braz brca brcb brce brea breb brec bree brer brez brrr bruc brue bruz brza buar buba bubb bube bubu buca bucc buce bucu bucz buea buer bueu bur- bura burb bure burr buru burz buuz buza buze buzz bzer bzzz caaa caab caac caba cabe cabu cac- caca cacc cace cacr caec caer caeu cara carb carc care carr cauc caza caze cbac cbar cbbc cbca cbcc cbce cbcr cbcu cbea cbec cbee cber cbre ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccu ccee ccra ccrc ccre ccuc ceac cear ceba cebu cec- ceca cece ceeb ceec cer- cera cerc cere ceza ceze crab crac crar crau crbc crbu crca crcc crce crcr crcz cre- crea creb crec cree creu crub crue cruz cuau cub- cuba cubb cube cuca cucc cuce cuer cura curb cure curr czar eaba eaca eacc eaec eara earb eare ebac ebba ebbc ebbr ebcc eber ebru ebur ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce ecra ecrc ecrr ecru ecua eeca eeea eeee eera eerc eeze erau eraz erba erbb erbe erca ercc erce ereb erec erer erez erra errc erre erua erub eruc erur euba eubc euer eur- eura eurc eure ezer ezra ezuz raab raaz raba rabb rabe rabu rac- raca racc race racu raec raer rara rarb rare rarz raua raub rauc raue raza raze razr razz rbbb rbbr rcac rcbc rccb rccc rea- reac reae rear reau reba rebb rebe rebu reca recc rece recr recu recz reeb rera rere reru reue reuu reza reze rezu rrrr ruba rubb rube rubu ruca ruce ruer ruez rura rurc rure ruru ruza ruze rzab uabc uaca uarc uaru uaua ubac ubar ubba ubbe uber ubra ucar ucbc ucca ucea ucrc ucua ueba urac urau urba urbe urca ure- urea urra urre urur uruz urza uuuu uzeb uzer zaar zaba zabr zabu zaca zaer zara zarb zare zarr zaru zaur zaza zazu zbar zber zcar zeae zeba zebe zebu zeca zera zeze zrce zrze zubr zubu zuce zura zurb zurr zuru zuzu zzzz

-aaa- aaace aaaee aaarc aabaa aabba aabra aacbc aarau abaab ababa ababe ababu abaca abaer abara abare abaru abaza abazu abbac abbar abbur abccc abear abeau abeba abebe abece abeer abera abere aberr abrac abrar abreu abura aburr abuzz abzac abzar acaca acacb acar- acara acare acaua accra accub accue accur aceae acera acerb acrab acrea acree acrue acuba acura acure aeaea aebbe aerru ar-ab ara-c arab- araba arabe araca arace araea arara arare araru arbab arbar arbaz arbee arber arbre arcae arcee areae arear areca arere areza arrau arrea arrez arrua aruaa aruac aruba arura aruru arzac arzua auber aurae aurar aurea aurra azabu azaca azara azare azaru azbar azeca azera azrac azrar azura azure baabe babar babau babec babee baber babez babra babur bacab bacar bacca bacea bacu bacza bacze baeza baraa barab barac barar baraz barba barbe barbu barca barce barea barer barez barra barre barru barua baruc barza barzu bauer baura baure bauru bauza bazac bazar bazre bbbee bbear be-er beara beare bebar bebaz beber bebra becca becue beeac beebe beez berar berau berba berbe berca bercu berea