-al a-a a-b a-c aaa aab aac aae aaf aah aal aau ab- aba abb abc abe abf abh abl abu ac- aca acb acc ace acf ach acl acu aea aeb aec aee aef aeh ael aeu af- afa afb afc afe aff afh afl afu aha ahb ahc ahe ahf ahh ahl ahu al- ala alb alc ale alf alh all alu au- aua aub auc aue auf auh aul b-u baa bab bac bae baf bah bal bau bba bbb bbc bbe bbf bbh bbl bbu bca bcb bcc bce bcf bch bcl bcu be- bea beb bec bee bef beh bel beu bfa bfb bfc bfe bff bfh bfl bfu bha bhb bhc bhe bhf bhh bhl bhu bla blb blc ble blf blh bll blu bua bub buc bue buf buh bul buu c-- caa cab cac cae caf cah cal cau cba cbb cbc cbe cbf cbh cbl cbu cca ccb ccc cce ccf cch ccl ccu ce- cea ceb cec cee cef ceh cel ceu cfa cfb cfc cfe cff cfh cfl cfu ch- cha chb chc che chf chh chl chu cl- cla clb clc cle clf clh cll clu cua cub cuc cue cuf cuh cul cuu eaa eab eac eae eaf eah eal eau eba ebb ebc ebe ebf ebh ebl ebu ec- eca ecb ecc ece ecf ech ecl ecu eea eeb eec eee eef eel ef- efa efb efc efe eff efh efl eha ehb ehc ehe ehf ehh ehl ehu ela elb elc ele elf elh ell elu eu- eua eub euc eue euf eul faa fab fac fae faf fah fal fau fba fbb fbc fbe fbf fbh fbl fbu fca fcb fcc fce fcf fcl fcu fea feb fec fee fef feh fel feu ffa ffc ffe fff ffh ffl ffu fha fhb fhc fhe fhf fhh fhl fla flb flc fle flf fll flu fua fub fue fuf ful fuu haa hab hac hae haf hah hal hau hba hbb hbc hbe hbf hbh hbl hbu hca hcb hcc hce hcf hch hcl he- hea heb hec hee hef heh hel heu hfa hfb hfc hfe hff hfh hfl hfu hha hhb hhc hhe hhf hhh hhl hhu hla hlb hlc hle hlf hlh hll hlu hua hub huc hue huf huh hul huu la- laa lab lac lae laf lah lal lau lba lbb lbc lbe lbf lbh lbl lbu lca lcb lcc lce lcf lch lcl lcu lea leb lec lee lef leh lel leu lfa lfb lfc lfe lff lfh lfl lfu lha lhb lhc lhf lhh lhu lla llb llc lle llf lll llu lua lub luc lue luf luh lul luu ua- uaa uab uac uae uaf uah ual uau uba ubb ubc ube ubf ubh ubl ubu uca ucb ucc uce ucf uch ucl ucu uea ueb uec uee uef ueh uel ufa ufc ufe uff ufh ufl ufu uha uhb uhc uhe uhf uhh uhl uhu ula ulb ulc ule ulf ull ulu uua uuc uue uuu

a-be a-fu a-ha aaaa aaab aaac aaae aaaf aaah aaal aaba aabb aabc aabh aabl aaca aacb aacc aace aacf aach aacl aacu aaea aaec aafa aafb aafc aaff aafl aaha aahl aala aalc aale aall aalu abaa abab abac abae abaf abal abau abb- abba abbb abbe abca abcb abcc abcf abch abcl abec abee abel abff abha abla able abua abue abuf abul acaa acab acac acae acba acbl acca accc acce accf acch accu ace- acea acec aceh acel acfc acfe acfl acha ache achh achl achu acla aclc acle aclu acu- acue acuf acul aeac aeaf aecb aecl aela aelc afaa afca afcb afcc afch afcu afee afel affa affc afla aflc afle afua afue ahab ahac ahah ahal ahau ahel ahfa ahha ahla ahle ahlu ahua alaa alac alae alal alau alb- alba albc albe albu alca alcc alce alea alec alee alef aleh aleu alfa alfe alha all- alla alle allh alll allu alua aluf auaa aube auca auce auch auel aufc aufe aul- aula aule aulf aull aulu baaa baaf baah baal baba babb babe babu bac- baca bacc bace bach bael bafc baff baha bahl bahu bala balc bale balf ball balu bau- bauf baul bbau bbbb bbch bbeb bbfc bblb bcaa bcbc bcca bccc bccl bcec bcfc bche bcuc beaf beah beal beau beba bebb bebe beca bech becu beeb beef beel befa befe beff bela bele bell belu bfca bffl bhca bhcc bhel bhff bhuu blaa blab blac blae blah blau blcu blea bleb blee bleh bleu blfc blub blue bluf bual buba bubb bube bubu buca bucc buce buch bucu buea buel bueu bufc bufe buff buha buhe buhl bula bulb bule bull bulu caaa caab caac caaf caah caal caba cabe cabf cabu cac- caca cacc cace cach caec caeu cafa cafb cafc cafe caff cafl cafu caha cahe cahl cala calc cale calf call calu cauc cauf caul cbac cbal cbbc cbca cbcc cbce cbcl cbcu cbea cbec cbee cbef cbfb cbfc cbha cbhl cblb cblc ccaa ccab ccac ccaf ccba ccbc ccca cccb cccc cccf cccl cccu ccee ccel ccfa ccfc ccff ccfl ccha cche cchl ccla cclc ccuc ceac ceal ceba cebu cec- ceca cece ceeb ceec ceel cef- cefa cefc cehl cel- cela celc cele celf cell cfaa cfab cfac cfae cfbc cfca cfcb cfcf cfcl cffb chaa chab chac chae chaf chah chal chau chca chce chch chea cheb chec chee chef cheh chel cheu chfa chfc chha chlc chua chub chul clab claf clau clea clec clee clef cleu club clue cluh cuau cub- cuba cubb cube cuca cucc cuce cufa cufc cuff cula culb culc cule cull e-cl e-la eaaf eaba eabh eaca eacc each eaec eafb eala ealc eale ebac ebal ebba ebbc ebcc ebel ebfc ebla ebul ecaa ecac ecal ecbc ecbe ecca eccb eccc ecce eccl ecef ecfa ecfc echa eche echl ecla ecua eeca eeea eeee eefa