-al -ol a-a a-b a-c a-z aaa aab aac aae aaf aal aao aau aaz ab- aba abb abc abe abf abl abo abu abz ac- aca acb acc ace acf acl aco acu acz aea aeb aec aee aef ael aeo aeu aez af- afa afb afc afe aff afl afo afu afz al- ala alb alc ale alf all alo alu alz aoa aob aoc aoe aof aol aoo aou au- aua aub auc aue auf aul auo auz az- aza azb aze azf azo azu azz b-u baa bab bac bae baf bal bao bau baz bba bbb bbc bbe bbf bbl bbo bbu bca bcb bcc bce bcf bcl bco bcu bcz be- bea beb bec bee bef bel beo beu bez bfa bfb bfc bfe bff bfl bfo bfu bfz bla blb blc ble blf bll blo blu blz boa bob boc boe bof bol boo bou boz bua bub buc bue buf bul buo buu buz bza bze bzf bzo bzu bzz c-- caa cab cac cae caf cal cao cau caz cba cbb cbc cbe cbf cbl cbo cbu cbz cca ccb ccc cce ccf ccl cco ccu ccz ce- cea ceb cec cee cef cel ceo ceu cez cfa cfb cfc cfe cff cfl cfo cfu cfz cl- cla clb clc cle clf cll clo clu clz co- coa cob coc coe cof col coo cou coz cua cub cuc cue cuf cul cuo cuu cuz cz- czc cze czo eaa eab eac eae eaf eal eao eau eaz eba ebb ebc ebe ebf ebl ebo ebu ec- eca ecb ecc ece ecf ecl eco ecu eea eeb eec eee eef eel eeo ef- efa efb efc efe eff efl efo ela elb elc ele elf ell elo elu elz eo- eoa eob eoc eoe eof eol eoo eou eu- eua eub euc eue euf eul eze ezf ezo ezz faa fab fac fae faf fal fao fau faz fba fbb fbc fbe fbf fbl fbo fbu fca fcb fcc fce fcf fcl fco fcu fcz fea feb fec fee fef fel feo feu fez ffa ffc ffe fff ffl ffo ffu ffz fla flb flc fle flf fll flo flu foa fob foc foe fof fol foo fou foz fua fub fue fuf ful fuo fuu la- laa lab lac lae laf lal lao lau laz lba lbb lbc lbe lbf lbl lbo lbu lca lcb lcc lce lcf lcl lco lcu lea leb lec lee lef lel leo leu lez lfa lfb lfc lfe lff lfl lfo lfu lla llb llc lle llf lll llo llu llz loa lob loc loe lof lol loo lou loz lua lub luc lue luf lul luo luu luz lzo lzu oaa oab oac oae oaf oal oao oau ob- oba obb obc obe obf obl obo obu oc- oca ocb occ ocf ocl oco ocu ocz oea oeb oec oee oef oel oeo of- ofa ofb ofc ofe off ofl ofo ofu ofz ola olb olc ole olf oll olo olu oo- ooa oob ooc oof ool ooo ou- oua ouc oue ouf oul ouo oza oze ozo ozu ozz ua- uaa uab uac uae uaf ual uao uau uaz uba ubb ubc ube ubf ubl ubo ubu uca ucb ucc uce ucf ucl uco ucu uea ueb uec uee uef uel ufa ufc ufe uff ufl ufo ufu ula ulb ulc ule ulf ull ulo ulu uoa uob uoc uoe uol uoo uua uuc uue uuu uza uzb uzo uzu zaa zab zac zaf zao zaz zbb zbc zbl zce zcl zco zea zeb zec zee zef zel zeo zez zfa zfc zla zo- zoa zob zoc zoe zof zol zoo zou zub zuc zul zuz zzz

a-be a-fu aaaa aaab aaac aaae aaaf aaal aaba aabb aabc aabl aaca aacb aacc aace aacf aacl aaco aacu aaea aaec aafa aafb aafc aaff aafl aala aalc aale aall aalo aalu aaoe aaoo abaa abab abac abae abaf abal abau abb- abba abbb abbe abbo abca abcb abcc abcf abcl abec abee abel abez abff abla able ablo aboa abob abof abol aboo abou abua abue abuf abul abza abzu acaa acab acac acae acba acbl acca accc acce accf acco accu ace- acea acec acel acfc acfe acfl acla aclc acle aclu acoa acoe acol acou acu- acue acuf acul acuo aeac aeaf aecb aecl aela aelc afaa afao afca afcb afcc afcu afee afel affa affc affo afla aflc afle afoa afoe afol afoo afua afue alaa alac alae alal alao alau alaz alb- alba albc albe albo albu alca alcc alce alco alea alec alee alef aleo aleu alfa alfe all- alla alle alll allo allu aloa aloc aloe alof alol aloo alou alua aluf alza aoba aoca aoce aoeu aola aole aouf aoul auaa aube auca auce auel aufc aufe aul- aula aule aulf aull aulo aulu auol aza- azab azal azaz azca azef azel azle azo- azof azoo azua azul azza azzo baaa baaf baal baaz baba babb babe babo babu bac- baca bacc bace baco bacz bael baez bafc baff bafo bala balc bale balf ball balo balu baol bau- bauf baul baza baze bazo bbau bbbb bbeb bbfc bblb bcaa bcbc bcca bccc bccl bcec bcfc bcof bcoz bcuc beaf beal beau beba bebb bebe bebo beca becu beeb beef beel befa befe beff befo bela bele bell belo belu belz beo- beof beze bezu bfca bffl blaa blab blac blae blau blaz blcu blea bleb blee bleo bleu blfc blob bloc bloo blou blub blue bluf boab boac boal boaz boba bobb bobe bobo bobu boca boce boco bocu boea boec boee boef boel boeo bofa bofe boff bofu bola bole boll bolo bolu boob booc booe boof bool booz boua boue bouf boul boza bozo bual buba bubb bube bubo bubu buca bucc buce buco bucu bucz buea buel bueu bufc bufe buff bufo bula bulb bule bull bulu bulz buol buuz buza buze