-er -ey eee eem eer eet eex eey eie eii eim eir eit eix em- eme emi emm emr emt emx ere eri erm err ert ery ete eti etm etr ett etx ety ex- exe exi exr ext exx exy eye eym eyr eyt ie- iee iei iem ier iet iex iey iie iii iim iir iit iix im- ime imi imm imt imx imy ir- ire iri irm irr irt irx iry ite iti itm itt itx ity ixe ixi ixy iye iym iyr iyt iyy m-r mee mei mem mer met mex mey mi- mie mii mim mir mit mix miy mme mmi mmm mmr mmt mmx mre mri mrm mrr mrt mrx mry mte mti mtm mtr mtt mtx mxi mxr my- mye mym myr myt myx re- ree rei rem rer ret rex rey rie rii rim rir rit rix riy rme rmi rmm rmr rmt rmx rri rrm rrr rrt rte rti rtm rtr rtt rtx rty rxr ry- rye rym ryr ryy t-x te- tee tei tem ter tet tex tey tie tii tim tir tit tix tiy tme tmi tmm tmr tmt tmx tmy tre tri trm trr trt trx try tte tti ttm ttr ttt ttx tty txe txi txt tye tym tyr tyt xee xem xer xet xex xie xii xit xix xmi xmm xmr xmt xmx xrt xrx xry xti xtm xtr xtx xty xxi xxx xxy xyr xyy yee yei yem yer yet yex yey yie yii yim yir yit yme ymi ymm ymt yre yrt yte ytm ytr ytt yxe yxy yye yyt yyy