-er a-a a-i a-t aaa aae aag aai aan aap aar aat aax aea aee aeg aei aen aep aer aet aex ag- aga age agg agi agn agp agr agt agx ai- aia aie aig aii ain aip air ait aix an- ana ane ang ani ann anp anr ant anx ap- apa ape apg api apn app apr apt apx ar- ara are arg ari arn arp arr art arx at- ata ate atg ati atn atp atr att atx ax- axa axe axi axn axp axr axt axx eaa eae eag eai ean eap ear eat eax eea eee eeg een eep eer eet eex ega ege egg egi egn egp egr egt egx eia eie eig eii ein eip eir eit eix en- ena ene eng eni enn enp enr ent ep- epa epe epg epi epn epp epr ept epx era ere erg eri ern erp err ert eta ete etg eti etn etp etr ett etx ex- exa exe exi exp exr ext exx g-p gaa gae gag gai gan gap gar gat ge- gea gee geg gei gen gep ger get gex gga ggg ggi ggn ggp ggr ggt gia gie gig gii gin gip gir git gna gne gni gnn gnp gnr gnt gpa gpe gpg gpi gpn gpp gpr gpt gpx gra gre grg gri grn grp grr grt grx gta gte gtg gti gtn gtp gtr gtt gtx gxa gxp gxt ia- iaa iae iag iai ian iap iar iat ie- iea iee ieg iei ien iep ier iet iex iga ige igg igi ign igp igr igt iia iie iii iin iip iir iit iix in- ina ine ing ini inn inp inr int inx ipa ipe ipg ipi ipn ipp ipr ipt ipx ir- ira ire irg iri irn irp irr irt irx ita ite itg iti itn itp itt itx ixe ixi ixn n-i naa nae nag nai nan nap nar nat nax ne- nea nee neg nei nen nep ner net nex nga nge ngg ngi ngn ngp ngt nia nie nig nii nin nip nir nit nix nna nne nng nni nnn nnp nnt npa npe npg npi npn npp npr npt nra nre nrg nri nrn nrp nrr nrt nrx nta nte ntg nti ntn ntp ntr ntt ntx nxt p-p paa pae pag pai pan pap par pat pax pea pee peg pei pen pep per pet pex pga pge pgg pgi pgn pgp pgr pgt pia pie pig pii pin pip pir pit pix pn- pna pne png pni pnn pnp pnr pnt pnx ppa ppe ppg ppi ppn ppp ppr ppt ppx pra pre prg pri prn prp prr prt prx pt- pta pte ptg pti ptn ptp ptr ptt ptx pxe pxg pxr pxt ra- raa rae rag rai ran rap rar rat rax re- rea ree reg rei ren rep rer ret rex rga rge rgg rgi rgn rgp rgr rgt rgx ria rie rig rii rin rip rir rit rix rna rng rni rnn rnp rnr rnt rpa rpe rpg rpi rpn rpp rpr rpt rpx rra rrg rri rrn rrp rrr rrt rta rte rtg rti rtn rtp rtr rtt rtx rxp rxr t-x taa tae tag tai tan tap tar tat tax te- tea tee teg tei ten tep ter tet tex tga tge tgg tgi tgn tgp tgr tgt tia tie tig tii tin tip tir tit tix tna tne tng tni tnn tnp tnr tnt tnx tpa tpe tpg tpi tpn tpp tpr tpt tpx tra tre trg tri trn trp trr trt trx tta tte ttg tti ttn ttp ttr ttt ttx txe txi txn txt xaa xag xan xap xar xat xee xeg xen xep xer xet xex xge xgi xgp xia xie xii xin xit xix xna xpa xpe xpg xpn xpp xpt xrt xrx xti xtp xtr xtx xxi xxp xxx