-al -th a-a a-c a-t aaa aac aae aaf aah aak aal aat ac- aca acc ace acf ach ack acl act aea aec aee aef aeh aek ael aet af- afa afc afe aff afh afk afl aft aha ahc ahe ahf ahh ahk ahl aht aka akc ake akh akk akl al- ala alc ale alf alh alk all alt at- ata atc ate atf ath atl att c-- caa cac cae caf cah cak cal cat cca ccc cce ccf cch cck ccl cct ce- cea cec cee cef ceh cek cel cet cfa cfc cfe cff cfh cfk cfl cft ch- cha chc che chf chh chk chl cht cka ckc ckh ckt cl- cla clc cle clf clh clk cll clt cta ctc cte ctf cth ctk ctl ctt eaa eac eae eaf eah eak eal eat ec- eca ecc ece ecf ech eck ecl ect eea eec eee eef eek eel eet ef- efa efc efe eff efh efl eft eha ehc ehe ehf ehh ehl eht eka ekc eke ekf ekh ekl ekt ela elc ele elf elh elk ell elt eta etc ete etf eth etk etl ett faa fac fae faf fah fak fal fat fca fcc fce fcf fck fcl fct fea fec fee fef feh fek fel fet ffa ffc ffe fff ffh ffk ffl fft fha fhc fhe fhf fhh fhl fka fkc fkf fkk fkl fkt fla flc fle flf fll flt fta ftc fte ftf fth ftk ftl ftt haa hac hae haf hah hak hal hat hca hcc hce hcf hch hck hcl hct he- hea hec hee hef heh hek hel het hfa hfc hfe hff hfh hfk hfl hft hha hhc hhe hhf hhh hhk hhl hht hka hkf hkh hkk hkl hkt hla hlc hle hlf hlh hll hlt hta htc hte htf hth htk htl htt k-t ka- kaa kac kae kaf kah kak kal kat kca kcc kce kch kck kcl kct ke- kea kec kee kef keh kek kel ket kfa kfc kff kfh kha khe khf khh khk kkc kke kkh kkk kkl kkt kl- kla klc klf klh klt kta ktc kte ktf kth ktk ktl ktt la- laa lac lae laf lah lak lal lat lca lcc lce lcf lch lck lcl lct lea lec lee lef leh lek lel let lfa lfc lfe lff lfh lfk lfl lft lha lhc lhf lhh lhk lht lka lkh lkl lkt lla llc lle llf llk lll llt lta ltc lte ltf lth ltk ltl ltt taa tac tae taf tah tak tal tat tca tcc tce tcf tch tck tcl tct te- tea tec tee tef teh tek tel tet tfa tfc tfe tff tfh tfk tfl tft th- tha thc the thf thh thk thl tht tka tkc tke tkk tkl tkt tla tlc tle tlf tlh tlk tll tlt tta ttc tte ttf tth ttk ttl ttt