-ly -ol iii iil iio iis iit iix il- ili ill ilo ils ilt ilx ily io- ioi iol ioo ios iot is- isi isl iso iss ist isy iti itl ito its itt itx ity ixi ixl ixy iyo iys iyt iyy lii lil lio lis lit lix lli lll llo lls llt lly loi lol loo los lot lox loy lsi lsl lso lss lst lti ltl lto lts ltt ltx lxi lxo lxx lyl lyo lys lyt lyx o-i oii oil oio ois oit oli oll olo ols olt oly oo- ooi ool ooo oos oot oox os- osi osl oso oss ost osx ot- oti otl oto ots ott ox- oxi oxo oxt oxx oxy oyi oyl oyo oys sii sil sio sis sit six sli sll slo sls slt slx sly soi sol soo sos sot sox soy ss- ssi ssl sso sss sst ssx sti stl sto sts stt stx sty sxi sxl sxs sxt sy- syi syl sys syt syx t-x tii til tio tis tit tix tiy tli tll tlo tls tlt tlx to- toi tol too tos tot tox toy tsi tsl tso tss tst tsx tsy tti ttl tto tts ttt ttx tty txi txl txs txt tyl tyo tys tyt xii xio xis xit xix xli xls xlt xoi xoo xos xot xox xsi xsl xss xst xti xts xtx xty xxi xxl xxo xxx xxy xyl xyy yii yio yis yit yli yll yls ylt yly yoi yol yoo yos yot yox yoy ysi ysl yso yss yst ysy ytl yto yts ytt yxy yys yyt yyy