-al -ol a-a a-c aaa aac aag aal aan aao aar ac- aca acc acg acl acn aco acr ag- aga agc agg agl agn ago agr al- ala alc alg all aln alo alr an- ana anc ang anl ann ano anr aoa aoc aog aol aon aoo aor ar- ara arc arg arl arn aro arr c-- caa cac cag cal can cao car cca ccc ccg ccl ccn cco ccr cga cgc cgg cgl cgn cgo cgr cl- cla clc clg cll cln clo clr cn- cna cnc cng cnl cnn cno cnr co- coa coc cog col con coo cor cra crc crg crl crn cro crr gaa gac gag gal gan gao gar gca gcc gcg gcl gcn gco gcr gga ggc ggg ggn ggo ggr gla glc glg gll gln glo glr gna gnc gnl gnn gno gnr goa goc gog gol gon goo gor gra grc grg grl grn gro grr la- laa lac lag lal lan lao lar lca lcc lcg lcl lcn lco lcr lga lgc lgg lgl lgn lgo lgr lla llc llg lll lln llo llr lna lnc lng lnl lnn lno lnr loa loc log lol lon loo lor lra lrc lrg lrn lro lrr naa nac nag nal nan nao nar nca ncc ncg ncl ncn nco ncr nga ngc ngg ngl ngn ngo nla nlc nlg nll nln nlo nlr nna nnc nng nnl nnn nno no- noa noc nog nol non noo nor nra nrc nrg nrl nrn nro nrr oaa oac oag oal oan oao oar oc- oca occ ocg ocl ocn oco ocr oga ogc ogg ogl ogn ogo ola olc olg oll oln olo on- ona onc ong onl onn ono onr oo- ooa ooc oog ool oon ooo oor or- ora orc org orl orn oro orr ra- raa rac rag ral ran rao rar rca rcc rcg rcl rcn rco rcr rga rgc rgg rgn rgo rgr rla rlc rlg rll rln rlo rlr rna rnc rng rnn rno rnr roa roc rog rol ron roo ror rra rrc rrg rrl rrn rrr