-er -ey a-a a-t aaa aae aap aar aas aat aax aay aea aee aep aer aes aet aex aey ap- apa ape app apr aps apt apx apy ar- ara are arp arr ars art arx ary as- asa ase asp asr ass ast asx asy at- ata ate atp atr ats att atx ax- axa axe axp axr axs axt axx ay- aya aye ayp ayr ays ayt ayx eaa eae eap ear eas eat eax eea eee eep eer ees eet eex eey ep- epa epe epp epr eps ept epx era ere erp err ers ert ery es- esa ese esp esr ess est esx esy eta ete etp etr ets ett etx ety ex- exa exe exp exr exs ext exx exy eya eye eyp eyr eys eyt p-p paa pae pap par pas pat pax pay pea pee pep per pes pet pex pey ppa ppe ppp ppr pps ppt ppx pra pre prp prr prs prt prx pry ps- psa pse psp psr pss pst psx psy pt- pta pte ptp ptr pts ptt ptx pty pxe pxr pxs pxt py- pya pye pyr pys pyt pyx ra- raa rae rap rar ras rat rax ray re- rea ree rep rer res ret rex rey rpa rpe rpp rpr rps rpt rpx rra rrp rrr rrs rrt rsa rse rsp rsr rss rst rsx rta rte rtp rtr rts rtt rtx rty rxp rxr rxs ry- rya rye ryr rys ryy saa sae sap sar sas sat sax say se- sea see sep ser ses set sex sey spa spe spp spr sps spt spx spy sr- sra sre srp srr srs srt srx sry ss- ssa sse ssp ssr sss sst ssx sta ste stp str sts stt stx sty sxs sxt sy- sya sye syp syr sys syt syx t-x taa tae tap tar tas tat tax tay te- tea tee tep ter tes tet tex tey tpa tpe tpp tpr tps tpt tpx tra tre trp trr trs trt trx try tsa tse tsp tsr tss tst tsx tsy tta tte ttp ttr tts ttt ttx tty txe txs txt tya tye typ tyr tys tyt xaa xap xar xas xat xee xep xer xes xet xex xpa xpe xpp xps xpt xrt xrx xry xsa xsp xss xst xtp xtr xts xtx xty xxp xxx xxy xyp xyr xyy yaa yae yap yar yas yat yax yay yea yee yep yer yes yet yex yey ypa yps yra yre yrp yrs yrt ysa yse ysp ysr yss yst ysy yta yte ytp ytr yts ytt yxa yxe yxy yye yys yyt yyy