a-a a-i a-t aaa aai aao aas aat aax aay ai- aia aii aio ais ait aix aiy aoa aoi aoo aos aot aox as- asa asi aso ass ast asx asy at- ata ati ato ats att atx ax- axa axi axo axs axt axx ay- aya ayi ayo ays ayt ayx ia- iaa iai iao ias iat iia iii iio iis iit iix io- ioa ioi ioo ios iot is- isa isi iso iss ist isy ita iti ito its itt itx ity ixi ixy iya iyo iys iyt iyy o-i oaa oai oao oas oat oax oia oii oio ois oit oo- ooa ooi ooo oos oot oox os- osa osi oso oss ost osx ot- ota oti oto ots ott ox- oxa oxi oxo oxt oxx oxy oya oyi oyo oys saa sai sao sas sat sax say sia sii sio sis sit six soa soi soo sos sot sox soy ss- ssa ssi sso sss sst ssx sta sti sto sts stt stx sty sxi sxs sxt sy- sya syi sys syt syx t-x taa tai tao tas tat tax tay tia tii tio tis tit tix tiy to- toa toi too tos tot tox toy tsa tsi tso tss tst tsx tsy tta tti tto tts ttt ttx tty txi txs txt tya tyo tys tyt xaa xas xat xia xii xio xis xit xix xoa xoi xoo xos xot xox xsa xsi xss xst xti xts xtx xty xxi xxo xxx xxy xyy yaa yai yao yas yat yax yay yii yio yis yit yoi yoo yos yot yox yoy ysa ysi yso yss yst ysy yta yto yts ytt yxa yxy yys yyt yyy