-al -ol a-a a-c a-z aaa aac aag aal aan aao aaz ac- aca acc acg acl acn aco acz ag- aga agc agg agl agn ago agz al- ala alc alg all aln alo alz an- ana anc ang anl ann ano anz aoa aoc aog aol aon aoo az- aza azg azn azo azz c-- caa cac cag cal can cao caz cca ccc ccg ccl ccn cco ccz cga cgc cgg cgl cgn cgo cl- cla clc clg cll cln clo clz cn- cna cnc cng cnl cnn cno co- coa coc cog col con coo coz cz- czc czo gaa gac gag gal gan gao gaz gca gcc gcg gcl gcn gco gga ggc ggg ggn ggo ggz gla glc glg gll gln glo glz gna gnc gnl gnn gno goa goc gog gol gon goo goz gza gzo la- laa lac lag lal lan lao laz lca lcc lcg lcl lcn lco lga lgc lgg lgl lgn lgo lla llc llg lll lln llo llz lna lnc lng lnl lnn lno loa loc log lol lon loo loz lzo naa nac nag nal nan nao naz nca ncc ncg ncl ncn nco nga ngc ngg ngl ngn ngo nla nlc nlg nll nln nlo nlz nna nnc nng nnl nnn nno nnz no- noa noc nog nol non noo noz nzg nzo nzz oaa oac oag oal oan oao oc- oca occ ocg ocl ocn oco ocz oga ogc ogg ogl ogn ogo ola olc olg oll oln olo on- ona onc ong onl onn ono oo- ooa ooc oog ool oon ooo oza ozo ozz z-g zaa zac zag zan zao zaz zcl zco zgg zla znc znn zno zo- zoa zoc zog zol zon zoo zzz