-al -er a-a a-t aaa aae aal aap aar aat aax aea aee ael aep aer aet aex al- ala ale all alp alr alt alx ap- apa ape apl app apr apt apx ar- ara are arl arp arr art arx at- ata ate atl atp atr att atx ax- axa axe axl axp axr axt axx eaa eae eal eap ear eat eax eea eee eel eep eer eet eex ela ele ell elp elr elt elx ep- epa epe epl epp epr ept epx era ere erl erp err ert eta ete etl etp etr ett etx ex- exa exe exl exp exr ext exx l-p la- laa lae lal lap lar lat lax lea lee lel lep ler let lex lla lle lll llp llr llt lpa lpe lpl lpp lpr lpt lpx lra lrp lrr lrt lta lte ltl ltp ltr ltt ltx lxr lxx p-p paa pae pal pap par pat pax pea pee pel pep per pet pex pla ple pll plp plr plt plx ppa ppe ppl ppp ppr ppt ppx pra pre prl prp prr prt prx pt- pta pte ptl ptp ptr ptt ptx pxe pxl pxr pxt ra- raa rae ral rap rar rat rax re- rea ree rel rep rer ret rex rla rle rll rlp rlr rlt rpa rpe rpl rpp rpr rpt rpx rra rrl rrp rrr rrt rta rte rtl rtp rtr rtt rtx rxp rxr t-x taa tae tal tap tar tat tax te- tea tee tel tep ter tet tex tla tle tll tlp tlr tlt tlx tpa tpe tpl tpp tpr tpt tpx tra tre trl trp trr trt trx tta tte ttl ttp ttr ttt ttx txe txl txt xaa xal xap xar xat xee xel xep xer xet xex xla xlr xlt xpa xpe xpl xpp xpt xrt xrx xtp xtr xtx xxl xxp xxx