-al -ol a-a a-c a-t aaa aac aaf aak aal aao aat ac- aca acc acf ack acl aco act af- afa afc aff afk afl afo aft aka akc akk akl ako al- ala alc alf alk all alo alt aoa aoc aof aok aol aoo aot at- ata atc atf atl ato att c-- caa cac caf cak cal cao cat cca ccc ccf cck ccl cco cct cfa cfc cff cfk cfl cfo cft cka ckc cko ckt cl- cla clc clf clk cll clo clt co- coa coc cof cok col coo cot cta ctc ctf ctk ctl cto ctt faa fac faf fak fal fao fat fca fcc fcf fck fcl fco fct ffa ffc fff ffk ffl ffo fft fka fkc fkf fkk fkl fkt fla flc flf fll flo flt foa foc fof fok fol foo fot fta ftc ftf ftk ftl fto ftt k-t ka- kaa kac kaf kak kal kao kat kca kcc kck kcl kct kfa kfc kff kfo kkc kkk kkl kkt kl- kla klc klf klo klt koa koc kof kok kol koo kot kta ktc ktf ktk ktl kto ktt la- laa lac laf lak lal lao lat lca lcc lcf lck lcl lco lct lfa lfc lff lfk lfl lfo lft lka lkl lkt lla llc llf llk lll llo llt loa loc lof lok lol loo lot lta ltc ltf ltk ltl lto ltt oaa oac oaf oak oal oao oat oc- oca occ ocf ock ocl oco oct of- ofa ofc off ofl ofo oft oka okc okk okl oko ola olc olf olk oll olo olt oo- ooa ooc oof ook ool ooo oot ot- ota otc otf otk otl oto ott taa tac taf tak tal tao tat tca tcc tcf tck tcl tco tct tfa tfc tff tfk tfl tfo tft tka tkc tkk tkl tko tkt tla tlc tlf tlk tll tlo tlt to- toa toc tof tok tol too tot tta ttc ttf ttk ttl tto ttt