-al -ol a-a a-c aaa aac aag aal aan aao aap aas ac- aca acc acg acl acn aco acp acs ag- aga agc agg agl agn ago agp ags al- ala alc alg all aln alo alp als an- ana anc ang anl ann ano anp ans aoa aoc aog aol aon aoo aop aos ap- apa apc apg apl apn apo app aps as- asa asc asg asl asn aso asp ass c-- caa cac cag cal can cao cap cas cca ccc ccg ccl ccn cco ccp ccs cga cgc cgg cgl cgn cgo cgp cgs cl- cla clc clg cll cln clo clp cls cn- cna cnc cng cnl cnn cno cnp cns co- coa coc cog col con coo cop cos cpa cpc cpg cpl cpn cpo cpp cps csa csc csg csl csn cso csp css g-p gaa gac gag gal gan gao gap gas gca gcc gcg gcl gcn gco gcp gcs gga ggc ggg ggn ggo ggp ggs gla glc glg gll gln glo glp gls gna gnc gnl gnn gno gnp gns goa goc gog gol gon goo gop gos gpa gpc gpg gpl gpn gpo gpp gps gsa gsc gsg gsl gsn gso gsp gss l-p la- laa lac lag lal lan lao lap las lca lcc lcg lcl lcn lco lcp lcs lga lgc lgg lgl lgn lgo lgp lgs lla llc llg lll lln llo llp lls lna lnc lng lnl lnn lno lnp lns loa loc log lol lon loo lop los lpa lpc lpg lpl lpn lpo lpp lps lsa lsc lsg lsl lsn lso lsp lss naa nac nag nal nan nao nap nas nca ncc ncg ncl ncn nco ncp ncs nga ngc ngg ngl ngn ngo ngp ngs nla nlc nlg nll nln nlo nlp nls nna nnc nng nnl nnn nno nnp nns no- noa noc nog nol non noo nop nos npa npc npg npl npn npo npp nps nsa nsc nsg nsl nsn nso nsp nss oaa oac oag oal oan oao oap oas oc- oca occ ocg ocl ocn oco ocp ocs oga ogc ogg ogl ogn ogo ogp ogs ola olc olg oll oln olo olp ols on- ona onc ong onl onn ono onp ons oo- ooa ooc oog ool oon ooo oop oos op- opa opc opg opl opn opo opp ops os- osa osc osg osl osn oso osp oss p-p paa pac pag pal pan pao pap pas pca pcc pcg pcl pcn pco pcp pcs pga pgc pgg pgl pgn pgo pgp pgs pla plc plg pll pln plo plp pls pn- pna pnc png pnl pnn pno pnp pns poa poc pog pol pon poo pop pos ppa ppc ppg ppl ppn ppo ppp pps ps- psa psc psg psl psn pso psp pss saa sac sag sal san sao sap sas sca scc scg scl scn sco scp scs sga sgc sgg sgl sgn sgo sgp sgs sla slc slg sll sln slo slp sls sna snc sng snl snn sno snp sns soa soc sog sol son soo sop sos spa spc spg spl spn spo spp sps ss- ssa ssc ssg ssl ssn sso ssp sss