-al -er a-a a-t aaa aae aag aal aan aar aat aax aea aee aeg ael aen aer aet aex ag- aga age agg agl agn agr agt agx al- ala ale alg all aln alr alt alx an- ana ane ang anl ann anr ant anx ar- ara are arg arl arn arr art arx at- ata ate atg atl atn atr att atx ax- axa axe axl axn axr axt axx eaa eae eag eal ean ear eat eax eea eee eeg eel een eer eet eex ega ege egg egl egn egr egt egx ela ele elg ell eln elr elt elx en- ena ene eng enl enn enr ent era ere erg erl ern err ert eta ete etg etl etn etr ett etx ex- exa exe exl exr ext exx gaa gae gag gal gan gar gat ge- gea gee geg gel gen ger get gex gga ggg ggn ggr ggt gla gle glg gll gln glr glt glx gna gne gnl gnn gnr gnt gra gre grg grl grn grr grt grx gta gte gtg gtl gtn gtr gtt gtx gxa gxl gxt la- laa lae lag lal lan lar lat lax lea lee leg lel len ler let lex lga lge lgg lgl lgn lgr lgt lla lle llg lll lln llr llt lna lne lng lnl lnn lnr lnt lra lrg lrn lrr lrt lta lte ltg ltl ltr ltt ltx lxr lxx naa nae nag nal nan nar nat nax ne- nea nee neg nel nen ner net nex nga nge ngg ngl ngn ngt nla nle nlg nll nln nlr nlt nlx nna nne nng nnl nnn nnt nra nre nrg nrl nrn nrr nrt nrx nta nte ntg ntn ntr ntt ntx nxl nxt ra- raa rae rag ral ran rar rat rax re- rea ree reg rel ren rer ret rex rga rge rgg rgn rgr rgt rgx rla rle rlg rll rln rlr rlt rna rng rnn rnr rnt rra rrg rrl rrn rrr rrt rta rte rtg rtl rtn rtr rtt rtx rxr t-x taa tae tag tal tan tar tat tax te- tea tee teg tel ten ter tet tex tga tge tgg tgl tgn tgr tgt tla tle tlg tll tln tlr tlt tlx tna tne tng tnl tnn tnr tnt tnx tra tre trg trl trn trr trt trx tta tte ttg ttl ttn ttr ttt ttx txe txl txn txt xaa xag xal xan xar xat xee xeg xel xen xer xet xex xge xgl xla xlg xlr xlt xna xrt xrx xtr xtx xxl xxx