-er a-a a-i a-t aaa aae aai aam aap aar aat aax aea aee aei aem aep aer aet aex ai- aia aie aii aim aip air ait aix ama ame ami amm amp amr amt amx ap- apa ape api apm app apr apt apx ar- ara are ari arm arp arr art arx at- ata ate ati atm atp atr att atx ax- axa axe axi axm axp axr axt axx eaa eae eai eam eap ear eat eax eea eee eem eep eer eet eex eia eie eii eim eip eir eit eix em- ema eme emi emm emp emr emt emx ep- epa epe epi epm epp epr ept epx era ere eri erm erp err ert eta ete eti etm etp etr ett etx ex- exa exe exi exp exr ext exx ia- iaa iae iai iam iap iar iat ie- iea iee iei iem iep ier iet iex iia iie iii iim iip iir iit iix im- ima ime imi imm imp imt imx ipa ipe ipi ipm ipp ipr ipt ipx ir- ira ire iri irm irp irr irt irx ita ite iti itm itp itt itx ixe ixi m-r maa mae mai mam map mar mat max mea mee mei mem mep mer met mex mi- mia mie mii mim mip mir mit mix mma mme mmi mmm mmp mmr mmt mmx mpa mpe mpi mpm mpp mpr mpt mpx mra mre mri mrm mrp mrr mrt mrx mta mte mti mtm mtp mtr mtt mtx mxa mxi mxp mxr p-p paa pae pai pam pap par pat pax pea pee pei pem pep per pet pex pia pie pii pim pip pir pit pix pma pme pmi pmm pmp pmr pmt pmx ppa ppe ppi ppm ppp ppr ppt ppx pra pre pri prm prp prr prt prx pt- pta pte pti ptm ptp ptr ptt ptx pxe pxm pxr pxt ra- raa rae rai ram rap rar rat rax re- rea ree rei rem rep rer ret rex ria rie rii rim rip rir rit rix rma rme rmi rmm rmp rmr rmt rmx rpa rpe rpi rpm rpp rpr rpt rpx rra rri rrm rrp rrr rrt rta rte rti rtm rtp rtr rtt rtx rxp rxr t-x taa tae tai tam tap tar tat tax te- tea tee tei tem tep ter tet tex tia tie tii tim tip tir tit tix tma tme tmi tmm tmp tmr tmt tmx tpa tpe tpi tpm tpp tpr tpt tpx tra tre tri trm trp trr trt trx tta tte tti ttm ttp ttr ttt ttx txe txi txt xaa xam xap xar xat xee xem xep xer xet xex xia xie xii xit xix xma xmi xmm xmp xmr xmt xmx xpa xpe xpm xpp xpt xrt xrx xti xtm xtp xtr xtx xxi xxp xxx