-al -ol a-a a-c aaa aac aaf aag aal aao aap ac- aca acc acf acg acl aco acp af- afa afc aff afg afl afo afp ag- aga agc agf agg agl ago agp al- ala alc alf alg all alo alp aoa aoc aof aog aol aoo aop ap- apa apc apf apg apl apo app c-- caa cac caf cag cal cao cap cca ccc ccf ccg ccl cco ccp cfa cfc cff cfg cfl cfo cfp cga cgc cgg cgl cgo cgp cl- cla clc clf clg cll clo clp co- coa coc cof cog col coo cop cpa cpc cpf cpg cpl cpo cpp faa fac faf fag fal fao fap fca fcc fcf fcg fcl fco fcp ffa ffc fff ffg ffl ffo ffp fga fgc fgf fgg fgl fgp fla flc flf flg fll flo flp foa foc fof fog fol foo fop fpa fpc fpg fpl fpo fpp g-p gaa gac gaf gag gal gao gap gca gcc gcf gcg gcl gco gcp gfa gfc gff gfl gfo gfp gga ggc ggg ggo ggp gla glc glf glg gll glo glp goa goc gof gog gol goo gop gpa gpc gpf gpg gpl gpo gpp l-p la- laa lac laf lag lal lao lap lca lcc lcf lcg lcl lco lcp lfa lfc lff lfg lfl lfo lfp lga lgc lgf lgg lgl lgo lgp lla llc llf llg lll llo llp loa loc lof log lol loo lop lpa lpc lpf lpg lpl lpo lpp oaa oac oaf oag oal oao oap oc- oca occ ocf ocg ocl oco ocp of- ofa ofc off ofg ofl ofo ofp oga ogc ogf ogg ogl ogo ogp ola olc olf olg oll olo olp oo- ooa ooc oof oog ool ooo oop op- opa opc opf opg opl opo opp p-p paa pac paf pag pal pao pap pca pcc pcf pcg pcl pco pcp pfa pfc pff pfg pfl pfo pfp pga pgc pgf pgg pgl pgo pgp pla plc plf plg pll plo plp poa poc pof pog pol poo pop ppa ppc ppf ppg ppl ppo ppp