-al a-a a-c aaa aac aaf aah aal ac- aca acc acf ach acl af- afa afc aff afh afl aha ahc ahf ahh ahl al- ala alc alf alh all c-- caa cac caf cah cal cca ccc ccf cch ccl cfa cfc cff cfh cfl ch- cha chc chf chh chl cl- cla clc clf clh cll faa fac faf fah fal fca fcc fcf fcl ffa ffc fff ffh ffl fha fhc fhf fhh fhl fla flc flf fll haa hac haf hah hal hca hcc hcf hch hcl hfa hfc hff hfh hfl hha hhc hhf hhh hhl hla hlc hlf hlh hll la- laa lac laf lah lal lca lcc lcf lch lcl lfa lfc lff lfh lfl lha lhc lhf lhh lla llc llf lll