-al -er a-a a-t aaa aae aag aal aar aat aax aea aee aeg ael aer aet aex ag- aga age agg agl agr agt agx al- ala ale alg all alr alt alx ar- ara are arg arl arr art arx at- ata ate atg atl atr att atx ax- axa axe axl axr axt axx eaa eae eag eal ear eat eax eea eee eeg eel eer eet eex ega ege egg egl egr egt egx ela ele elg ell elr elt elx era ere erg erl err ert eta ete etg etl etr ett etx ex- exa exe exl exr ext exx gaa gae gag gal gar gat ge- gea gee geg gel ger get gex gga ggg ggr ggt gla gle glg gll glr glt glx gra gre grg grl grr grt grx gta gte gtg gtl gtr gtt gtx gxa gxl gxt la- laa lae lag lal lar lat lax lea lee leg lel ler let lex lga lge lgg lgl lgr lgt lla lle llg lll llr llt lra lrg lrr lrt lta lte ltg ltl ltr ltt ltx lxr lxx ra- raa rae rag ral rar rat rax re- rea ree reg rel rer ret rex rga rge rgg rgr rgt rgx rla rle rlg rll rlr rlt rra rrg rrl rrr rrt rta rte rtg rtl rtr rtt rtx rxr t-x taa tae tag tal tar tat tax te- tea tee teg tel ter tet tex tga tge tgg tgl tgr tgt tla tle tlg tll tlr tlt tlx tra tre trg trl trr trt trx tta tte ttg ttl ttr ttt ttx txe txl txt xaa xag xal xar xat xee xeg xel xer xet xex xge xgl xla xlg xlr xlt xrt xrx xtr xtx xxl xxx