-er a-a a-i a-t aaa aae aai aan aap aar aas aat aax aea aee aei aen aep aer aes aet aex ai- aia aie aii ain aip air ais ait aix an- ana ane ani ann anp anr ans ant anx ap- apa ape api apn app apr aps apt apx ar- ara are ari arn arp arr ars art arx as- asa ase asi asn asp asr ass ast asx at- ata ate ati atn atp atr ats att atx ax- axa axe axi axn axp axr axs axt axx eaa eae eai ean eap ear eas eat eax eea eee een eep eer ees eet eex eia eie eii ein eip eir eis eit eix en- ena ene eni enn enp enr ens ent ep- epa epe epi epn epp epr eps ept epx era ere eri ern erp err ers ert es- esa ese esi esn esp esr ess est esx eta ete eti etn etp etr ets ett etx ex- exa exe exi exp exr exs ext exx ia- iaa iae iai ian iap iar ias iat ie- iea iee iei ien iep ier ies iet iex iia iie iii iin iip iir iis iit iix in- ina ine ini inn inp inr ins int inx ipa ipe ipi ipn ipp ipr ips ipt ipx ir- ira ire iri irn irp irr irs irt irx is- isa ise isi isn isp isr iss ist ita ite iti itn itp its itt itx ixe ixi ixn n-i naa nae nai nan nap nar nas nat nax ne- nea nee nei nen nep ner nes net nex nia nie nii nin nip nir nis nit nix nna nne nni nnn nnp nns nnt npa npe npi npn npp npr nps npt nra nre nri nrn nrp nrr nrs nrt nrx nsa nse nsi nsn nsp nsr nss nst nsx nta nte nti ntn ntp ntr nts ntt ntx nxt p-p paa pae pai pan pap par pas pat pax pea pee pei pen pep per pes pet pex pia pie pii pin pip pir pis pit pix pn- pna pne pni pnn pnp pnr pns pnt pnx ppa ppe ppi ppn ppp ppr pps ppt ppx pra pre pri prn prp prr prs prt prx ps- psa pse psi psn psp psr pss pst psx pt- pta pte pti ptn ptp ptr pts ptt ptx pxe pxr pxs pxt ra- raa rae rai ran rap rar ras rat rax re- rea ree rei ren rep rer res ret rex ria rie rii rin rip rir ris rit rix rna rni rnn rnp rnr rns rnt rpa rpe rpi rpn rpp rpr rps rpt rpx rra rri rrn rrp rrr rrs rrt rsa rse rsi rsn rsp rsr rss rst rsx rta rte rti rtn rtp rtr rts rtt rtx rxp rxr rxs saa sae sai san sap sar sas sat sax se- sea see sei sen sep ser ses set sex sia sie sii sin sip sir sis sit six sna sne sni snn snp snr sns snt spa spe spi spn spp spr sps spt spx sr- sra sre sri srn srp srr srs srt srx ss- ssa sse ssi ssn ssp ssr sss sst ssx sta ste sti stn stp str sts stt stx sxi sxn sxs sxt t-x taa tae tai tan tap tar tas tat tax te- tea tee tei ten tep ter tes tet tex tia tie tii tin tip tir tis tit tix tna tne tni tnn tnp tnr tns tnt tnx tpa tpe tpi tpn tpp tpr tps tpt tpx tra tre tri trn trp trr trs trt trx tsa tse tsi tsn tsp tsr tss tst tsx tta tte tti ttn ttp ttr tts ttt ttx txe txi txn txs txt xaa xan xap xar xas xat xee xen xep xer xes xet xex xia xie xii xin xis xit xix xna xns xpa xpe xpn xpp xps xpt xrt xrx xsa xsi xsp xss xst xti xtp xtr xts xtx xxi xxp xxx