-al -er a-a a-c aaa aac aae aag aal aan aar aav ac- aca acc ace acg acl acn acr acv aea aec aee aeg ael aen aer aev ag- aga agc age agg agl agn agr agv al- ala alc ale alg all aln alr alv an- ana anc ane ang anl ann anr anv ar- ara arc are arg arl arn arr arv av- ava avc ave avg avl avn avr c-- caa cac cae cag cal can car cav cca ccc cce ccg ccl ccn ccr ccv ce- cea cec cee ceg cel cen cer cev cga cgc cge cgg cgl cgn cgr cgv cl- cla clc cle clg cll cln clr clv cn- cna cnc cne cng cnl cnn cnr cnv cra crc cre crg crl crn crr crv cva cvc cve cvg cvl cvn cvr cvv eaa eac eae eag eal ean ear eav ec- eca ecc ece ecg ecl ecn ecr ecv eea eec eee eeg eel een eer eev ega egc ege egg egl egn egr ela elc ele elg ell eln elr elv en- ena enc ene eng enl enn enr env era erc ere erg erl ern err erv eva evc eve evg evl evn evr evv gaa gac gae gag gal gan gar gav gca gcc gce gcg gcl gcn gcr ge- gea gec gee geg gel gen ger gev gga ggc ggg ggn ggr ggv gla glc gle glg gll gln glr glv gna gnc gne gnl gnn gnr gnv gra grc gre grg grl grn grr grv gva gvc gve gvg gvl gvn gvr la- laa lac lae lag lal lan lar lav lca lcc lce lcg lcl lcn lcr lcv lea lec lee leg lel len ler lev lga lgc lge lgg lgl lgn lgr lgv lla llc lle llg lll lln llr llv lna lnc lne lng lnl lnn lnr lra lrc lrg lrn lrr lrv lva lvc lve lvg lvl lvn lvr lvv naa nac nae nag nal nan nar nav nca ncc nce ncg ncl ncn ncr ncv ne- nea nec nee neg nel nen ner nev nga ngc nge ngg ngl ngn nla nlc nle nlg nll nln nlr nlv nna nnc nne nng nnl nnn nnv nra nrc nre nrg nrl nrn nrr nrv nva nvc nve nvg nvl nvn nvv ra- raa rac rae rag ral ran rar rav rca rcc rce rcg rcl rcn rcr rcv re- rea rec ree reg rel ren rer rev rga rgc rge rgg rgn rgr rgv rla rlc rle rlg rll rln rlr rna rnc rng rnn rnr rnv rra rrc rrg rrl rrn rrr rva rvc rve rvg rvl rvn rvr rvv v-a v-e vaa vac vae vag val van var vav vca vcc vce vcl vcn vcr vea vec vee veg vel ven ver vga vgc vgg vgl vgn vgr vl- vla vlc vle vll vlv vn- vna vng vnl vnr vnv vra vrc vre vrg vrn vrr vva vvc vvg vvr vvv