-al -er -ol a-a a-c aaa aac aae aag aal aan aao aar ac- aca acc ace acg acl acn aco acr aea aec aee aeg ael aen aeo aer ag- aga agc age agg agl agn ago agr al- ala alc ale alg all aln alo alr an- ana anc ane ang anl ann ano anr aoa aoc aoe aog aol aon aoo aor ar- ara arc are arg arl arn aro arr c-- caa cac cae cag cal can cao car cca ccc cce ccg ccl ccn cco ccr ce- cea cec cee ceg cel cen ceo cer cga cgc cge cgg cgl cgn cgo cgr cl- cla clc cle clg cll cln clo clr cn- cna cnc cne cng cnl cnn cno cnr co- coa coc coe cog col con coo cor cra crc cre crg crl crn cro crr eaa eac eae eag eal ean eao ear ec- eca ecc ece ecg ecl ecn eco ecr eea eec eee eeg eel een eeo eer ega egc ege egg egl egn ego egr ela elc ele elg ell eln elo elr en- ena enc ene eng enl enn eno enr eo- eoa eoc eoe eog eol eon eoo eor era erc ere erg erl ern ero err gaa gac gae gag gal gan gao gar gca gcc gce gcg gcl gcn gco gcr ge- gea gec gee geg gel gen geo ger gga ggc ggg ggn ggo ggr gla glc gle glg gll gln glo glr gna gnc gne gnl gnn gno gnr goa goc goe gog gol gon goo gor gra grc gre grg grl grn gro grr la- laa lac lae lag lal lan lao lar lca lcc lce lcg lcl lcn lco lcr lea lec lee leg lel len leo ler lga lgc lge lgg lgl lgn lgo lgr lla llc lle llg lll lln llo llr lna lnc lne lng lnl lnn lno lnr loa loc loe log lol lon loo lor lra lrc lrg lrn lro lrr naa nac nae nag nal nan nao nar nca ncc nce ncg ncl ncn nco ncr ne- nea nec nee neg nel nen neo ner nga ngc nge ngg ngl ngn ngo nla nlc nle nlg nll nln nlo nlr nna nnc nne nng nnl nnn nno no- noa noc noe nog nol non noo nor nra nrc nre nrg nrl nrn nro nrr oaa oac oae oag oal oan oao oar oc- oca occ ocg ocl ocn oco ocr oea oec oee oeg oel oen oeo oer oga ogc oge ogg ogl ogn ogo ola olc ole olg oll oln olo on- ona onc one ong onl onn ono onr oo- ooa ooc oog ool oon ooo oor or- ora orc ore org orl orn oro orr ra- raa rac rae rag ral ran rao rar rca rcc rce rcg rcl rcn rco rcr re- rea rec ree reg rel ren reo rer rga rgc rge rgg rgn rgo rgr rla rlc rle rlg rll rln rlo rlr rna rnc rng rnn rno rnr roa roc roe rog rol ron roo ror rra rrc rrg rrl rrn rrr