-al -er a-a a-c a-t aaa aac aae aal aap aar aas aat aax ac- aca acc ace acl acp acr acs act acx aea aec aee ael aep aer aes aet aex al- ala alc ale all alp alr als alt alx ap- apa apc ape apl app apr aps apt apx ar- ara arc are arl arp arr ars art arx as- asa asc ase asl asp asr ass ast asx at- ata atc ate atl atp atr ats att atx ax- axa axe axl axp axr axs axt axx c-- caa cac cae cal cap car cas cat cax cca ccc cce ccl ccp ccr ccs cct ccx ce- cea cec cee cel cep cer ces cet cex cl- cla clc cle cll clp clr cls clt clx cpa cpc cpe cpl cpp cpr cps cpt cpx cra crc cre crl crp crr crs crt crx csa csc cse csl csp csr css cst csx cta ctc cte ctl ctp ctr cts ctt ctx cxc cxl cxp cxr cxs cxt cxx eaa eac eae eal eap ear eas eat eax ec- eca ecc ece ecl ecr ecs ect ecx eea eec eee eel eep eer ees eet eex ela elc ele ell elp elr els elt elx ep- epa epc epe epl epp epr eps ept epx era erc ere erl erp err ers ert es- esa esc ese esl esp esr ess est esx eta etc ete etl etp etr ets ett etx ex- exa exc exe exl exp exr exs ext exx l-p la- laa lac lae lal lap lar las lat lax lca lcc lce lcl lcp lcr lcs lct lcx lea lec lee lel lep ler les let lex lla llc lle lll llp llr lls llt lpa lpc lpe lpl lpp lpr lps lpt lpx lra lrc lrp lrr lrs lrt lsa lsc lse lsl lsp lsr lss lst lta ltc lte ltl ltp ltr lts ltt ltx lxc lxr lxx p-p paa pac pae pal pap par pas pat pax pca pcc pce pcl pcp pcr pcs pct pcx pea pec pee pel pep per pes pet pex pla plc ple pll plp plr pls plt plx ppa ppc ppe ppl ppp ppr pps ppt ppx pra prc pre prl prp prr prs prt prx ps- psa psc pse psl psp psr pss pst psx pt- pta ptc pte ptl ptp ptr pts ptt ptx pxc pxe pxl pxr pxs pxt ra- raa rac rae ral rap rar ras rat rax rca rcc rce rcl rcp rcr rcs rct rcx re- rea rec ree rel rep rer res ret rex rla rlc rle rll rlp rlr rls rlt rpa rpc rpe rpl rpp rpr rps rpt rpx rra rrc rrl rrp rrr rrs rrt rsa rsc rse rsl rsp rsr rss rst rsx rta rtc rte rtl rtp rtr rts rtt rtx rxp rxr rxs saa sac sae sal sap sar sas sat sax sca scc sce scl scp scr scs sct scx se- sea sec see sel sep ser ses set sex sla slc sle sll slp slr sls slt slx spa spc spe spl spp spr sps spt spx sr- sra src sre srl srp srr srs srt srx ss- ssa ssc sse ssl ssp ssr sss sst ssx sta stc ste stl stp str sts stt stx sxc sxl sxs sxt t-x taa tac tae tal tap tar tas tat tax tca tcc tce tcl tcp tcr tcs tct tcx te- tea tec tee tel tep ter tes tet tex tla tlc tle tll tlp tlr tls tlt tlx tpa tpc tpe tpl tpp tpr tps tpt tpx tra trc tre trl trp trr trs trt trx tsa tsc tse tsl tsp tsr tss tst tsx tta ttc tte ttl ttp ttr tts ttt ttx txe txl txs txt xaa xac xal xap xar xas xat xcl xcp xcr xcx xee xel xep xer xes xet xex xla xlr xls xlt xpa xpc xpe xpl xpp xps xpt xrc xrt xrx xsa xsc xsl xsp xss xst xtc xtp xtr xts xtx xxl xxp xxx