-al -ol a-a a-c aaa aac aad aae aag aal aan aao ac- aca acc acd ace acg acl acn aco ad- ada adc add ade adg adl adn ado aea aec aed aee aeg ael aen aeo ag- aga agc agd age agg agl agn ago al- ala alc ald ale alg all aln alo an- ana anc and ane ang anl ann ano aoa aoc aod aoe aog aol aon aoo c-- caa cac cad cae cag cal can cao cca ccc ccd cce ccg ccl ccn cco cda cdc cdd cde cdg cdl cdn cdo ce- cea cec ced cee ceg cel cen ceo cga cgc cgd cge cgg cgl cgn cgo cl- cla clc cld cle clg cll cln clo cn- cna cnc cnd cne cng cnl cnn cno co- coa coc cod coe cog col con coo daa dac dad dae dag dal dan dao dca dcc dcd dce dcg dcl dcn dco dda ddc ddd dde ddg ddl ddn ddo de- dea dec ded dee deg del den deo dga dgc dgd dge dgg dgl dgn dl- dla dlc dld dle dlg dll dlo dna dnc dnd dne dng dnl dnn dno doa doc dod doe dog dol don doo eaa eac ead eae eag eal ean eao ec- eca ecc ecd ece ecg ecl ecn eco ed- eda edc edd ede edg edl edn edo eea eec eed eee eeg eel een eeo ega egc egd ege egg egl egn ego ela elc eld ele elg ell eln elo en- ena enc end ene eng enl enn eno eo- eoa eoc eod eoe eog eol eon eoo g-d gaa gac gad gae gag gal gan gao gca gcc gcd gce gcg gcl gcn gco gda gdc gdd gde gdl gdn gdo ge- gea gec ged gee geg gel gen geo gga ggc ggd ggg ggn ggo gla glc gld gle glg gll gln glo gna gnc gnd gne gnl gnn gno goa goc god goe gog gol gon goo la- laa lac lad lae lag lal lan lao lca lcc lcd lce lcg lcl lcn lco lda ldc ldd lde ldg ldl ldn ldo lea lec led lee leg lel len leo lga lgc lgd lge lgg lgl lgn lgo lla llc lld lle llg lll lln llo lna lnc lnd lne lng lnl lnn lno loa loc lod loe log lol lon loo naa nac nad nae nag nal nan nao nca ncc ncd nce ncg ncl ncn nco nda ndc ndd nde ndg ndl ndn ndo ne- nea nec ned nee neg nel nen neo nga ngc ngd nge ngg ngl ngn ngo nla nlc nld nle nlg nll nln nlo nna nnc nne nng nnl nnn nno no- noa noc nod noe nog nol non noo oaa oac oad oae oag oal oan oao oc- oca occ ocd ocg ocl ocn oco oda odc odd ode odg odl odn odo oea oec oed oee oeg oel oen oeo oga ogc ogd oge ogg ogl ogn ogo ola olc old ole olg oll oln olo on- ona onc ond one ong onl onn ono oo- ooa ooc ood oog ool oon ooo