-er a-a a-i a-t aaa aae aaf aai aan aap aar aat aax aea aee aef aei aen aep aer aet aex af- afa afe aff afi afn afp afr aft afx ai- aia aie aif aii ain aip air ait aix an- ana ane anf ani ann anp anr ant anx ap- apa ape apf api apn app apr apt apx ar- ara are arf ari arn arp arr art arx at- ata ate atf ati atn atp atr att atx ax- axa axe axi axn axp axr axt axx eaa eae eaf eai ean eap ear eat eax eea eee eef een eep eer eet eex ef- efa efe eff efi efp efr eft efx eia eie eif eii ein eip eir eit eix en- ena ene enf eni enn enp enr ent ep- epa epe epf epi epn epp epr ept epx era ere erf eri ern erp err ert eta ete etf eti etn etp etr ett etx ex- exa exe exi exp exr ext exx faa fae faf fai fan fap far fat fax fea fee fef fei fen fep fer fet fex ffa ffe fff ffi ffn ffp ffr fft ffx fia fie fif fii fin fip fir fit fix fna fne fnf fni fnn fnp fnr fnt fnx fpa fpe fpi fpn fpp fpr fpt fpx fra fre frf fri frn frp frr frt fta fte ftf fti ftn ftp ftr ftt ftx fxe fxi fxp fxr fxt fxx i-f ia- iaa iae iaf iai ian iap iar iat ie- iea iee ief iei ien iep ier iet iex ifa ife iff ifi ifn ifp ifr ift ifx iia iie iif iii iin iip iir iit iix in- ina ine inf ini inn inp inr int inx ipa ipe ipf ipi ipn ipp ipr ipt ipx ir- ira ire irf iri irn irp irr irt irx ita ite itf iti itn itp itt itx ixe ixi ixn n-i naa nae naf nai nan nap nar nat nax ne- nea nee nef nei nen nep ner net nex nfa nfe nff nfi nfn nfp nfr nft nia nie nif nii nin nip nir nit nix nna nne nnf nni nnn nnp nnt npa npe npf npi npn npp npr npt nra nre nrf nri nrn nrp nrr nrt nrx nta nte ntf nti ntn ntp ntr ntt ntx nxt p-p paa pae paf pai pan pap par pat pax pea pee pef pei pen pep per pet pex pfa pfe pff pfi pfn pfp pfr pft pfx pia pie pif pii pin pip pir pit pix pn- pna pne pnf pni pnn pnp pnr pnt pnx ppa ppe ppf ppi ppn ppp ppr ppt ppx pra pre prf pri prn prp prr prt prx pt- pta pte ptf pti ptn ptp ptr ptt ptx pxe pxr pxt ra- raa rae raf rai ran rap rar rat rax re- rea ree ref rei ren rep rer ret rex rfa rfe rff rfi rfn rfp rfr rft ria rie rif rii rin rip rir rit rix rna rni rnn rnp rnr rnt rpa rpe rpf rpi rpn rpp rpr rpt rpx rra rrf rri rrn rrp rrr rrt rta rte rtf rti rtn rtp rtr rtt rtx rxp rxr t-x taa tae taf tai tan tap tar tat tax te- tea tee tef tei ten tep ter tet tex tfa tfe tff tfi tfn tfp tfr tft tfx tia tie tif tii tin tip tir tit tix tna tne tnf tni tnn tnp tnr tnt tnx tpa tpe tpf tpi tpn tpp tpr tpt tpx tra tre trf tri trn trp trr trt trx tta tte ttf tti ttn ttp ttr ttt ttx txe txf txi txn txt xaa xaf xan xap xar xat xee xen xep xer xet xex xfa xfe xfn xft xfx xia xie xii xin xit xix xna xpa xpe xpf xpn xpp xpt xrf xrt xrx xtf xti xtp xtr xtx xxi xxp xxx