-al -er a-a a-t aaa aae aal aar aat aax aea aee ael aer aet aex al- ala ale all alr alt alx ar- ara are arl arr art arx at- ata ate atl atr att atx ax- axa axe axl axr axt axx eaa eae eal ear eat eax eea eee eel eer eet eex ela ele ell elr elt elx era ere erl err ert eta ete etl etr ett etx ex- exa exe exl exr ext exx la- laa lae lal lar lat lax lea lee lel ler let lex lla lle lll llr llt lra lrr lrt lta lte ltl ltr ltt ltx lxr lxx ra- raa rae ral rar rat rax re- rea ree rel rer ret rex rla rle rll rlr rlt rra rrl rrr rrt rta rte rtl rtr rtt rtx rxr t-x taa tae tal tar tat tax te- tea tee tel ter tet tex tla tle tll tlr tlt tlx tra tre trl trr trt trx tta tte ttl ttr ttt ttx txe txl txt xaa xal xar xat xee xel xer xet xex xla xlr xlt xrt xrx xtr xtx xxl xxx