-al -ol a-a a-c aaa aac aaf aah aak aal aao ac- aca acc acf ach ack acl aco af- afa afc aff afh afk afl afo aha ahc ahf ahh ahk ahl aho aka akc akh akk akl ako al- ala alc alf alh alk all alo aoa aoc aof aoh aok aol aoo c-- caa cac caf cah cak cal cao cca ccc ccf cch cck ccl cco cfa cfc cff cfh cfk cfl cfo ch- cha chc chf chh chk chl cho cka ckc ckh cko cl- cla clc clf clh clk cll clo co- coa coc cof coh cok col coo faa fac faf fah fak fal fao fca fcc fcf fck fcl fco ffa ffc fff ffh ffk ffl ffo fha fhc fhf fhh fhl fho fka fkc fkf fkk fkl fla flc flf fll flo foa foc fof foh fok fol foo haa hac haf hah hak hal hao hca hcc hcf hch hck hcl hco hfa hfc hff hfh hfk hfl hfo hha hhc hhf hhh hhk hhl hho hka hkf hkh hkk hkl hko hla hlc hlf hlh hll hlo hoa hoc hof hoh hok hol hoo ka- kaa kac kaf kah kak kal kao kca kcc kch kck kcl kfa kfc kff kfh kfo kha khf khh khk kho kkc kkh kkk kkl kl- kla klc klf klh klo koa koc kof koh kok kol koo la- laa lac laf lah lak lal lao lca lcc lcf lch lck lcl lco lfa lfc lff lfh lfk lfl lfo lha lhc lhf lhh lhk lho lka lkh lkl lla llc llf llk lll llo loa loc lof loh lok lol loo oaa oac oaf oah oak oal oao oc- oca occ ocf och ock ocl oco of- ofa ofc off ofl ofo oha ohc ohf ohh ohl oho oka okc okk okl oko ola olc olf olk oll olo oo- ooa ooc oof ooh ook ool ooo