-al -ol a-a a-c aaa aac aaf aag aal aan aao aau ac- aca acc acf acg acl acn aco acu af- afa afc aff afg afl afn afo afu ag- aga agc agf agg agl agn ago agu al- ala alc alf alg all aln alo alu an- ana anc anf ang anl ann ano anu aoa aoc aof aog aol aon aoo aou au- aua auc auf aug aul aun auo c-- caa cac caf cag cal can cao cau cca ccc ccf ccg ccl ccn cco ccu cfa cfc cff cfg cfl cfn cfo cfu cga cgc cgg cgl cgn cgo cgu cl- cla clc clf clg cll cln clo clu cn- cna cnc cnf cng cnl cnn cno cnu co- coa coc cof cog col con coo cou cua cuc cuf cug cul cun cuo cuu faa fac faf fag fal fan fao fau fca fcc fcf fcg fcl fcn fco fcu ffa ffc fff ffg ffl ffn ffo ffu fga fgc fgf fgg fgl fgn fla flc flf flg fll fln flo flu fna fnc fnf fng fnl fnn fnu foa foc fof fog fol fon foo fou fua fuf fug ful fun fuo fuu gaa gac gaf gag gal gan gao gau gca gcc gcf gcg gcl gcn gco gcu gfa gfc gff gfl gfo gga ggc ggg ggn ggo ggu gla glc glf glg gll gln glo glu gna gnc gnf gnl gnn gno gnu goa goc gof gog gol gon goo gou gu- gua guc guf gug gul gun guo guu la- laa lac laf lag lal lan lao lau lca lcc lcf lcg lcl lcn lco lcu lfa lfc lff lfg lfl lfn lfo lfu lga lgc lgf lgg lgl lgn lgo lgu lla llc llf llg lll lln llo llu lna lnc lng lnl lnn lno lnu loa loc lof log lol lon loo lou lua luc luf lug lul lun luo luu naa nac naf nag nal nan nao nau nca ncc ncf ncg ncl ncn nco ncu nfa nfc nff nfl nfn nfo nfu nga ngc ngf ngg ngl ngn ngo ngu nla nlc nlf nlg nll nln nlo nlu nna nnc nnf nng nnl nnn nno nnu no- noa noc nof nog nol non noo nou nua nuc nug nul nun nuo nuu oaa oac oaf oag oal oan oao oau oc- oca occ ocf ocg ocl ocn oco ocu of- ofa ofc off ofg ofl ofn ofo ofu oga ogc ogf ogg ogl ogn ogo ola olc olf olg oll oln olo olu on- ona onc onf ong onl onn ono onu oo- ooa ooc oof oog ool oon ooo ou- oua ouc ouf oul oun ouo ua- uaa uac uaf uag ual uan uao uau uca ucc ucf ucg ucl ucn uco ucu ufa ufc uff ufg ufl ufn ufo ufu uga ugc ugf ugg ugl ugn ugo ugu ula ulc ulf ulg ull uln ulo ulu un- una unc unf ung unl unn uno unu uoa uoc uog uol uon uoo uua uuc uug uun uuu