-er a-a a-i a-t aaa aae aai aam aar aat aax aea aee aei aem aer aet aex ai- aia aie aii aim air ait aix ama ame ami amm amr amt amx ar- ara are ari arm arr art arx at- ata ate ati atm atr att atx ax- axa axe axi axm axr axt axx eaa eae eai eam ear eat eax eea eee eem eer eet eex eia eie eii eim eir eit eix em- ema eme emi emm emr emt emx era ere eri erm err ert eta ete eti etm etr ett etx ex- exa exe exi exr ext exx ia- iaa iae iai iam iar iat ie- iea iee iei iem ier iet iex iia iie iii iim iir iit iix im- ima ime imi imm imt imx ir- ira ire iri irm irr irt irx ita ite iti itm itt itx ixe ixi m-r maa mae mai mam mar mat max mea mee mei mem mer met mex mi- mia mie mii mim mir mit mix mma mme mmi mmm mmr mmt mmx mra mre mri mrm mrr mrt mrx mta mte mti mtm mtr mtt mtx mxa mxi mxr ra- raa rae rai ram rar rat rax re- rea ree rei rem rer ret rex ria rie rii rim rir rit rix rma rme rmi rmm rmr rmt rmx rra rri rrm rrr rrt rta rte rti rtm rtr rtt rtx rxr t-x taa tae tai tam tar tat tax te- tea tee tei tem ter tet tex tia tie tii tim tir tit tix tma tme tmi tmm tmr tmt tmx tra tre tri trm trr trt trx tta tte tti ttm ttr ttt ttx txe txi txt xaa xam xar xat xee xem xer xet xex xia xie xii xit xix xma xmi xmm xmr xmt xmx xrt xrx xti xtm xtr xtx xxi xxx