-ey -ic a-a a-c a-i a-t aaa aac aae aai aao aat aax aay ac- aca acc ace aci aco act acx acy aea aec aee aei aeo aet aex aey ai- aia aic aie aii aio ait aix aiy aoa aoc aoe aoi aoo aot aox at- ata atc ate ati ato att atx ax- axa axe axi axo axt axx ay- aya ayc aye ayi ayo ayt ayx c-- caa cac cae cai cao cat cax cay cca ccc cce cci cco cct ccx ce- cea cec cee cei ceo cet cex cey ci- cia cic cie cii cio cit cix co- coa coc coe coi coo cot cox coy cta ctc cte cti cto ctt ctx cty cxc cxi cxo cxt cxx cya cyc cye cyo cyt eaa eac eae eai eao eat eax ec- eca ecc ece eci eco ect ecx eea eec eee eeo eet eex eey eia eic eie eii eio eit eix eo- eoa eoc eoe eoi eoo eot eta etc ete eti eto ett etx ety ex- exa exc exe exi exo ext exx exy eya eyc eye eyo eyt ia- iaa iac iae iai iao iat ica icc ice ici ico ict icy ie- iea iec iee iei iet iex iey iia iic iie iii iio iit iix io- ioa ioc ioe ioi ioo iot ita itc ite iti ito itt itx ity ixc ixe ixi ixy iya iyc iye iyo iyt iyy o-i oaa oac oae oai oao oat oax oc- oca occ oci oco oct ocx oea oec oee oei oeo oet oex oey oia oic oie oii oio oit oo- ooa ooc ooi ooo oot oox ot- ota otc ote oti oto ott ox- oxa oxc oxi oxo oxt oxx oxy oya oye oyi oyo t-x taa tac tae tai tao tat tax tay tca tcc tce tci tco tct tcx te- tea tec tee tei teo tet tex tey tia tic tie tii tio tit tix tiy to- toa toc toe toi too tot tox toy tta ttc tte tti tto ttt ttx tty txe txi txt tya tyc tye tyo tyt xaa xac xat xci xcx xee xet xex xia xic xie xii xio xit xix xoa xoc xoi xoo xot xox xtc xti xtx xty xxi xxo xxx xxy xyy yaa yac yae yai yao yat yax yay yca ycc yce yci yco ycy yea yec yee yei yeo yet yex yey yie yii yio yit yoc yoe yoi yoo yot yox yoy yta ytc yte yto ytt yxa yxe yxy yyc yye yyt yyy