iii iim iir iis iit im- imi imm ims imt imy ir- iri irm irr irs irt iry is- isi ism isr iss ist isy iti itm its itt ity iym iyr iys iyt iyy m-r mi- mii mim mir mis mit miy mmi mmm mmr mms mmt mri mrm mrr mrs mrt mry msi msm msr mss mst msy mti mtm mtr mts mtt my- mym myr mys myt rii rim rir ris rit riy rmi rmm rmr rms rmt rri rrm rrr rrs rrt rsi rsm rsr rss rst rti rtm rtr rts rtt rty ry- rym ryr rys ryy sii sim sir sis sit smi smm smr sms smt smy sr- sri srm srr srs srt sry ss- ssi ssm ssr sss sst sti stm str sts stt sty sy- syi sym syr sys syt tii tim tir tis tit tiy tmi tmm tmr tms tmt tmy tri trm trr trs trt try tsi tsm tsr tss tst tsy tti ttm ttr tts ttt tty tym tyr tys tyt yii yim yir yis yit ymi ymm yms ymt yrs yrt ysi ysm ysr yss yst ysy ytm ytr yts ytt yys yyt yyy