-al a-a a-c a-t aaa aac aae aaf aal aat ac- aca acc ace acf acl act aea aec aee aef ael aet af- afa afc afe aff afl aft al- ala alc ale alf all alt at- ata atc ate atf atl att c-- caa cac cae caf cal cat cca ccc cce ccf ccl cct ce- cea cec cee cef cel cet cfa cfc cfe cff cfl cft cl- cla clc cle clf cll clt cta ctc cte ctf ctl ctt eaa eac eae eaf eal eat ec- eca ecc ece ecf ecl ect eea eec eee eef eel eet ef- efa efc efe eff efl eft ela elc ele elf ell elt eta etc ete etf etl ett faa fac fae faf fal fat fca fcc fce fcf fcl fct fea fec fee fef fel fet ffa ffc ffe fff ffl fft fla flc fle flf fll flt fta ftc fte ftf ftl ftt la- laa lac lae laf lal lat lca lcc lce lcf lcl lct lea lec lee lef lel let lfa lfc lfe lff lfl lft lla llc lle llf lll llt lta ltc lte ltf ltl ltt taa tac tae taf tal tat tca tcc tce tcf tcl tct te- tea tec tee tef tel tet tfa tfc tfe tff tfl tft tla tlc tle tlf tll tlt tta ttc tte ttf ttl ttt