-al -ol a-a a-c aaa aac aae aag aal aao aap aas ac- aca acc ace acg acl aco acp acs aea aec aee aeg ael aeo aep aes ag- aga agc age agg agl ago agp ags al- ala alc ale alg all alo alp als aoa aoc aoe aog aol aoo aop aos ap- apa apc ape apg apl apo app aps as- asa asc ase asg asl aso asp ass c-- caa cac cae cag cal cao cap cas cca ccc cce ccg ccl cco ccp ccs ce- cea cec cee ceg cel ceo cep ces cga cgc cge cgg cgl cgo cgp cgs cl- cla clc cle clg cll clo clp cls co- coa coc coe cog col coo cop cos cpa cpc cpe cpg cpl cpo cpp cps csa csc cse csg csl cso csp css eaa eac eae eag eal eao eap eas ec- eca ecc ece ecg ecl eco ecs eea eec eee eeg eel eeo eep ees ega egc ege egg egl ego egp egs ela elc ele elg ell elo elp els eo- eoa eoc eoe eog eol eoo eop eos ep- epa epc epe epg epl epo epp eps es- esa esc ese esg esl eso esp ess g-p gaa gac gae gag gal gao gap gas gca gcc gce gcg gcl gco gcp gcs ge- gea gec gee geg gel geo gep ges gga ggc ggg ggo ggp ggs gla glc gle glg gll glo glp gls goa goc goe gog gol goo gop gos gpa gpc gpe gpg gpl gpo gpp gps gsa gsc gse gsg gsl gso gsp gss l-p la- laa lac lae lag lal lao lap las lca lcc lce lcg lcl lco lcp lcs lea lec lee leg lel leo lep les lga lgc lge lgg lgl lgo lgp lgs lla llc lle llg lll llo llp lls loa loc loe log lol loo lop los lpa lpc lpe lpg lpl lpo lpp lps lsa lsc lse lsg lsl lso lsp lss oaa oac oae oag oal oao oap oas oc- oca occ ocg ocl oco ocp ocs oea oec oee oeg oel oeo oep oes oga ogc oge ogg ogl ogo ogp ogs ola olc ole olg oll olo olp ols oo- ooa ooc oog ool ooo oop oos op- opa opc ope opg opl opo opp ops os- osa osc ose osg osl oso osp oss p-p paa pac pae pag pal pao pap pas pca pcc pce pcg pcl pco pcp pcs pea pec pee peg pel peo pep pes pga pgc pge pgg pgl pgo pgp pgs pla plc ple plg pll plo plp pls poa poc poe pog pol poo pop pos ppa ppc ppe ppg ppl ppo ppp pps ps- psa psc pse psg psl pso psp pss saa sac sae sag sal sao sap sas sca scc sce scg scl sco scp scs se- sea sec see seg sel seo sep ses sga sgc sge sgg sgl sgo sgp sgs sla slc sle slg sll slo slp sls soa soc soe sog sol soo sop sos spa spc spe spg spl spo spp sps ss- ssa ssc sse ssg ssl sso ssp sss