iii iim iio iis iit im- imi imm imo ims imt imy io- ioi iom ioo ios iot is- isi ism iso iss ist isy iti itm ito its itt ity iym iyo iys iyt iyy m-o mi- mii mim mio mis mit miy mmi mmm mmo mms mmt moi mom moo mos mot moy msi msm mso mss mst msy mti mtm mto mts mtt my- mym myo mys myt o-i oii oim oio ois oit om- omi omm omo oms omt omy oo- ooi oom ooo oos oot os- osi osm oso oss ost ot- oti otm oto ots ott oyi oyo oys sii sim sio sis sit smi smm smo sms smt smy soi som soo sos sot soy ss- ssi ssm sso sss sst sti stm sto sts stt sty sy- syi sym sys syt tii tim tio tis tit tiy tmi tmm tmo tms tmt tmy to- toi tom too tos tot toy tsi tsm tso tss tst tsy tti ttm tto tts ttt tty tym tyo tys tyt yii yim yio yis yit ymi ymm ymo yms ymt yoi yom yoo yos yot yoy ysi ysm yso yss yst ysy ytm yto yts ytt yys yyt yyy