-er -ol eee eel eeo eep eer eet eex ele ell elo elp elr elt elx eo- eoe eol eoo eop eor eot ep- epe epl epo epp epr ept epx ere erl ero erp err ert ete etl eto etp etr ett etx ex- exe exl exo exp exr ext exx l-p lee lel leo lep ler let lex lle lll llo llp llr llt loe lol loo lop lor lot lox lpe lpl lpo lpp lpr lpt lpx lro lrp lrr lrt lte ltl lto ltp ltr ltt ltx lxo lxr lxx oee oel oeo oep oer oet oex ole oll olo olp olt oo- ool ooo oop oor oot oox op- ope opl opo opp opr opt opx or- ore orl oro orp orr ort orx ot- ote otl oto otp otr ott ox- oxo oxt oxx p-p pee pel peo pep per pet pex ple pll plo plp plr plt plx poe pol poo pop por pot pox ppe ppl ppo ppp ppr ppt ppx pre prl pro prp prr prt prx pt- pte ptl pto ptp ptr ptt ptx pxe pxl pxr pxt re- ree rel reo rep rer ret rex rle rll rlo rlp rlr rlt roe rol roo rop ror rot rox rpe rpl rpo rpp rpr rpt rpx rrl rrp rrr rrt rte rtl rto rtp rtr rtt rtx rxp rxr t-x te- tee tel teo tep ter tet tex tle tll tlo tlp tlr tlt tlx to- toe tol too top tor tot tox tpe tpl tpo tpp tpr tpt tpx tre trl tro trp trr trt trx tte ttl tto ttp ttr ttt ttx txe txl txt xee xel xep xer xet xex xlr xlt xoo xop xor xot xox xpe xpl xpo xpp xpt xrt xrx xtp xtr xtx xxl xxo xxp xxx