a-a a-b a-c a-z aaa aab aac aan aar aau aaz ab- aba abb abc abn abr abu abz ac- aca acb acc acn acr acu acz an- ana anb anc ann anr anu anz ar- ara arb arc arn arr aru arz au- aua aub auc aun aur auz az- aza azb azn azu azz b-u baa bab bac ban bar bau baz bba bbb bbc bbn bbr bbu bca bcb bcc bcn bcr bcu bcz bna bnb bnc bnn bnr bnu bnz bra brb brn brr bru brz bua bub buc bun bur buu buz bza bzn bzr bzu bzz c-- caa cab cac can car cau caz cba cbb cbc cbn cbr cbu cbz cca ccb ccc ccn ccr ccu ccz cn- cna cnb cnc cnn cnr cnu cra crb crc crn crr cru crz cua cub cuc cun cur cuu cuz cz- czc naa nab nac nan nar nau naz nba nbb nbc nbn nbr nbu nca ncb ncc ncn ncr ncu nna nnb nnc nnn nnu nnz nra nrb nrc nrn nrr nru nrz nua nub nuc nun nur nuu nzb nzz ra- raa rab rac ran rar rau raz rba rbb rbc rbn rbr rbu rca rcb rcc rcn rcr rcu rna rnb rnc rnn rnr rnu rnz rra rrb rrc rrn rrr rru rua rub ruc run rur ruu ruz rza rzb ua- uaa uab uac uan uar uau uaz uba ubb ubc ubn ubr ubu uca ucb ucc ucn ucr ucu un- una unb unc unn unr unu ur- ura urb urc urn urr uru urz uua uuc uun uur uuu uza uzb uzu zaa zab zac zan zar zaz zbb zbc zbr znc znn zub zuc zun zur zuz zzr zzz

-ana a-un aaaa aaab aaac aaan aaar aaba aabb aabc aaca aacb aacc aacn aacr aacu aana aara aarc aaru abaa abab abac aban abar abau abb- abba abbb abbr abca abcb abcc abcn abcr abnu abra abrc abua abun abza abzu acaa acab acac acan acar acba acca accc accu acr- acra acrc acrr acu- acur ana- anaa anab anac anan anar anau anaz anba anbb anbu anca ancc anna annb anrc anua anub anun anza anzu arab arac aran arar arau arba arc- arca arna arr- arra arrc arrr arru arua arub arun arza arzu auaa auca auna aur- aura aza- azab azan azar azaz azca azna azra azua azur azza baaa baan baar baaz baba babb babr babu bac- baca bacc bacn bacz bana banc bann banr banu banz bar- bara barb barc barn barr baru barz bau- baur baza bbau bbbb bbrc bcaa bcar bcbc bcca bccc bcnu bcra bcru bcuc bnrr brab brac bran brau braz brca brcb brna brrr bruc brun bruz brza buar buba bubb bubu buca bucc bucu bucz buna bunb bunn bunu bunz bur- bura burb burn burr buru burz buuz buza buzz bzzz caaa caab caac caan caba cabu cac- caca cacc cacr cana canc cann canz cara carb carc carn carr cauc caza cbac cbar cbbc cbca cbcc cbcn cbcr cbcu cbna cbrn ccaa ccab ccac ccar ccba ccbc ccbn ccca cccb cccc cccu ccna ccnb ccnc ccnr ccnu ccra ccrc ccuc cnaa cnac cnbc cnna cnnz cnrc cnrr crab crac cran crar crau crbc crbu crca crcc crcr crcz crna crub crun cruz cuan cuau cub- cuba cubb cuca cucc cucn cuna cura curb curn curr czar naaa naab naac naan naar naba nabc nabu naca nacc nan- nana nanb nann nanu nara narc narn narr naru narz naur naza nazz nbaa nbar nbbc nbca nbcc ncaa ncac ncar ncba ncbc ncca nccc nccn nccr nccu ncna ncnc ncra ncrc ncua nnnn nrab nrca nrna nrrc nuan nuba nubc nuca nucu nuna nunc nunn nura nurc nurn nurr nuru nzar nzcc nzra nzrb raab raan raaz raba rabb rabu rac- raca racc racu rana ranc rann ranz rara rarb rarz raua raub rauc raun raza razr razz rbbb rbbr rcac rcbc rccb rccc rcnr rnbr rrna rrrr rrun ruan ruba rubb rubu ruca runa runc runn rura rurc ruru ruun ruza rzab uabc uaca uarc uaru uaua ubac ubar ubba ubra ucan ucar ucbc ucca ucrc ucua unaa unac unan unar unau unca uncc unna unra unuz urac uran urau urba urca urna urra urun urur uruz urza uuuu uzan uzun zaan zaar zaba zabr zabu zaca zana zann zara zarb zarr zaru zaun zaur zaza zazu zbar zcar zubr zubu zunz zura zurb zurn zurr zuru zuun zuzu zzzz

-aaa- aaarc aabaa aabba aabra aacbc aarau aarna abaab ababa ababu abaca abana abanc abann abara abarn abaru abaza abazu abbac abban abbar abbur abcan abccc abnub abrac abran abrar abrun abuna abura aburn aburr abuzz abzac abzan abzar acaca acacb acana acar- acara acaua accra accub accur acrab acuba acura anaba anana anara anaru anaua anaun anban anbar ancar annan annar anncr annua annur annzu anura anzab anzac anzan anzar anzca ar-ab ara-c arab- araba araca arana aranc arara araru arbab arbar arbaz arcan arnac arnan arnar arnaz arran arrau arrua aruaa aruac aruba aruna arura aruru arzac arzua aubun aucan aucun aunac aunc- aurar aurra azabu azaca azana azara azaru azbar aznab aznar aznau azrac azran azrar azura azurn azzun baarn baban babar babau babra babur bacab bacar bacca bacu bacun bacza banan banar banau banaz banba banca banna bannu banur banza baraa barab barac baran barar baraz barba barbu barca barna barra barru barua baruc barun barza barzu baura bauru bauza bazac bazan bazar bazna braca bracc brana branc brann braun braza brrar brrrr bruan bruna brunn bruun bruzz brzan bubba bucan bucca bucur bunab bunac bunan bunar bunau bunna bunun bunza buraa buran burca burcu burn- burna burra burru buruc burun buzan buzar buzau buzza buzzr bzura c-a-c c-ran ca-ca caaan caaba caban cabra cacau cacu canan canar canna canuc canun caraa carab carac carau caraz carb- carna carra cauac cauca caun- cauna cazaa cazac ccccc cnnnn craba crabb cran- crana crann cranz crcna