-al -th a-a a-b a-c a-t aaa aab aac aae aaf aah aal aan aat ab- aba abb abc abe abf abh abl abn abt ac- aca acb acc ace acf ach acl acn act aea aeb aec aee aef aeh ael aen aet af- afa afb afc afe aff afh afl afn aft aha ahb ahc ahe ahf ahh ahl ahn aht al- ala alb alc ale alf alh all aln alt an- ana anb anc ane anf anh anl ann ant at- ata atb atc ate atf ath atl atn att baa bab bac bae baf bah bal ban bat bba bbb bbc bbe bbf bbh bbl bbn bbt bca bcb bcc bce bcf bch bcl bcn bct be- bea beb bec bee bef beh bel ben bet bfa bfb bfc bfe bff bfh bfl bfn bft bha bhb bhc bhe bhf bhh bhl bht bla blb blc ble blf blh bll bln blt bna bnb bnc bne bnf bnl bnn bnt bta btb btc bte btf bth btl btn btt c-- caa cab cac cae caf cah cal can cat cba cbb cbc cbe cbf cbh cbl cbn cbt cca ccb ccc cce ccf cch ccl ccn cct ce- cea ceb cec cee cef ceh cel cen cet cfa cfb cfc cfe cff cfh cfl cfn cft ch- cha chb chc che chf chh chl chn cht cl- cla clb clc cle clf clh cll cln clt cn- cna cnb cnc cne cnf cnh cnl cnn cnt cta ctb ctc cte ctf cth ctl ctn ctt eaa eab eac eae eaf eah eal ean eat eba ebb ebc ebe ebf ebh ebl ebn ebt ec- eca ecb ecc ece ecf ech ecl ecn ect eea eeb eec eee eef eel een eet ef- efa efb efc efe eff efh efl eft eha ehb ehc ehe ehf ehh ehl ehn eht ela elb elc ele elf elh ell eln elt en- ena enb enc ene enf enh enl enn ent eta etb etc ete etf eth etl etn ett faa fab fac fae faf fah fal fan fat fba fbb fbc fbe fbf fbh fbl fbn fbt fca fcb fcc fce fcf fcl fcn fct fea feb fec fee fef feh fel fen fet ffa ffc ffe fff ffh ffl ffn fft fha fhb fhc fhe fhf fhh fhl fhn fla flb flc fle flf fll fln flt fna fnb fnc fne fnf fnh fnl fnn fnt fta ftb ftc fte ftf fth ftl ftn ftt haa hab hac hae haf hah hal han hat hba hbb hbc hbe hbf hbh hbl hbn hbt hca hcb hcc hce hcf hch hcl hcn hct he- hea heb hec hee hef heh hel hen het hfa hfb hfc hfe hff hfh hfl hfn hft hha hhb hhc hhe hhf hhh hhl hhn hht hla hlb hlc hle hlf hlh hll hln hlt hna hnb hnc hne hnf hnh hnl hnn hnt hta htb htc hte htf hth htl htn htt la- laa lab lac lae laf lah lal lan lat lba lbb lbc lbe lbf lbh lbl lbt lca lcb lcc lce lcf lch lcl lcn lct lea leb lec lee lef leh lel len let lfa lfb lfc lfe lff lfh lfl lfn lft lha lhb lhc lhf lhh lht lla llb llc lle llf lll lln llt lna lnb lnc lne lnh lnl lnn lnt lta ltb ltc lte ltf lth ltl ltt naa nab nac nae naf nah nal nan nat nba nbb nbc nbe nbf nbl nbn nbt nca ncb ncc nce ncf nch ncl ncn nct ne- nea neb nec nee nef neh nel nen net nfa nfb nfc nfe nff nfl nfn nft nha nhb nhc nhe nhf nhh nhl nhn nht nla nlb nlc nle nlf nlh nll nln nlt nna nnb nnc nne nnf nnh nnl nnn nnt nta ntb ntc nte ntf nth ntn ntt taa tab tac tae taf tah tal tan tat tba tbb tbc tbe tbf tbh tbl tbn tbt tca tcb tcc tce tcf tch tcl tcn tct te- tea teb tec tee tef teh tel ten tet tfa tfb tfc tfe tff tfh tfl tfn tft th- tha thb thc the thf thh thl thn tht tla tlc tle tlf tlh tll tln tlt tna tnb tnc tne tnf tnh tnl tnn tnt tta ttb ttc tte ttf tth ttl ttn ttt