-er a-a a-i a-t aaa aae aag aai aan aap aar aas aat aax aea aee aeg aei aen aep aer aes aet aex ag- aga age agg agi agn agp agr ags agt agx ai- aia aie aig aii ain aip air ais ait aix an- ana ane ang ani ann anp anr ans ant anx ap- apa ape apg api apn app apr aps apt apx ar- ara are arg ari arn arp arr ars art arx as- asa ase asg asi asn asp asr ass ast asx at- ata ate atg ati atn atp atr ats att atx ax- axa axe axi axn axp axr axs axt axx eaa eae eag eai ean eap ear eas eat eax eea eee eeg een eep eer ees eet eex ega ege egg egi egn egp egr egs egt egx eia eie eig eii ein eip eir eis eit eix en- ena ene eng eni enn enp enr ens ent ep- epa epe epg epi epn epp epr eps ept epx era ere erg eri ern erp err ers ert es- esa ese esg esi esn esp esr ess est esx eta ete etg eti etn etp etr ets ett etx ex- exa exe exi exp exr exs ext exx g-p gaa gae gag gai gan gap gar gas gat ge- gea gee geg gei gen gep ger ges get gex gga ggg ggi ggn ggp ggr ggs ggt gia gie gig gii gin gip gir gis git gna gne gni gnn gnp gnr gns gnt gpa gpe gpg gpi gpn gpp gpr gps gpt gpx gra gre grg gri grn grp grr grs grt grx gsa gse gsg gsi gsn gsp gsr gss gst gsx gta gte gtg gti gtn gtp gtr gts gtt gtx gxa gxp gxs gxt ia- iaa iae iag iai ian iap iar ias iat ie- iea iee ieg iei ien iep ier ies iet iex iga ige igg igi ign igp igr igs igt iia iie iii iin iip iir iis iit iix in- ina ine ing ini inn inp inr ins int inx ipa ipe ipg ipi ipn ipp ipr ips ipt ipx ir- ira ire irg iri irn irp irr irs irt irx is- isa ise isg isi isn isp isr iss ist ita ite itg iti itn itp its itt itx ixe ixi ixn n-i naa nae nag nai nan nap nar nas nat nax ne- nea nee neg nei nen nep ner nes net nex nga nge ngg ngi ngn ngp ngs ngt nia nie nig nii nin nip nir nis nit nix nna nne nng nni nnn nnp nns nnt npa npe npg npi npn npp npr nps npt nra nre nrg nri nrn nrp nrr nrs nrt nrx nsa nse nsg nsi nsn nsp nsr nss nst nsx nta nte ntg nti ntn ntp ntr nts ntt ntx nxt p-p paa pae pag pai pan pap par pas pat pax pea pee peg pei pen pep per pes pet pex pga pge pgg pgi pgn pgp pgr pgs pgt pia pie pig pii pin pip pir pis pit pix pn- pna pne png pni pnn pnp pnr pns pnt pnx ppa ppe ppg ppi ppn ppp ppr pps ppt ppx pra pre prg pri prn prp prr prs prt prx ps- psa pse psg psi psn psp psr pss pst psx pt- pta pte ptg pti ptn ptp ptr pts ptt ptx pxe pxg pxr pxs pxt ra- raa rae rag rai ran rap rar ras rat rax re- rea ree reg rei ren rep rer res ret rex rga rge rgg rgi rgn rgp rgr rgs rgt rgx ria rie rig rii rin rip rir ris rit rix rna rng rni rnn rnp rnr rns rnt rpa rpe rpg rpi rpn rpp rpr rps rpt rpx rra rrg rri rrn rrp rrr rrs rrt rsa rse rsg rsi rsn rsp rsr rss rst rsx rta rte rtg rti rtn rtp rtr rts rtt rtx rxp rxr rxs saa sae sag sai san sap sar sas sat sax se- sea see seg sei sen sep ser ses set sex sga sge sgg sgi sgn sgp sgr sgs sgt sgx sia sie sig sii sin sip sir sis sit six sna sne sng sni snn snp snr sns snt spa spe spg spi spn spp spr sps spt spx sr- sra sre srg sri srn srp srr srs srt srx ss- ssa sse ssg ssi ssn ssp ssr sss sst ssx sta ste stg sti stn stp str sts stt stx sxi sxn sxs sxt t-x taa tae tag tai tan tap tar tas tat tax te- tea tee teg tei ten tep ter tes tet tex tga tge tgg tgi tgn tgp tgr tgs tgt tia tie tig tii tin tip tir tis tit tix tna tne tng tni tnn tnp tnr tns tnt tnx tpa tpe tpg tpi tpn tpp tpr tps tpt tpx tra tre trg tri trn trp trr trs trt trx tsa tse tsg tsi tsn tsp tsr tss tst tsx tta tte ttg tti ttn ttp ttr tts ttt ttx txe txi txn txs txt xaa xag xan xap xar xas xat xee xeg xen xep xer xes xet xex xge xgi xgp xia xie xii xin xis xit xix xna xns xpa xpe xpg xpn xpp xps xpt xrt xrx xsa xsi xsp xss xst xti xtp xtr xts xtx xxi xxp xxx