m-o m-r mmm mmo mmr mms mmt mom moo mor mos mot moy mrm mro mrr mrs mrt mry msm mso msr mss mst msy mtm mto mtr mts mtt my- mym myo myr mys myt om- omm omo omr oms omt omy oo- oom ooo oor oos oot or- orm oro orr ors ort ory os- osm oso osr oss ost ot- otm oto otr ots ott oyo oys rmm rmo rmr rms rmt rom roo ror ros rot roy rrm rrr rrs rrt rsm rso rsr rss rst rtm rto rtr rts rtt rty ry- rym ryo ryr rys ryy smm smo smr sms smt smy som soo sor sos sot soy sr- srm sro srr srs srt sry ss- ssm sso ssr sss sst stm sto str sts stt sty sy- sym syr sys syt tmm tmo tmr tms tmt tmy to- tom too tor tos tot toy trm tro trr trs trt try tsm tso tsr tss tst tsy ttm tto ttr tts ttt tty tym tyo tyr tys tyt ymm ymo yms ymt yom yoo yor yos yot yoy yro yrs yrt ysm yso ysr yss yst ysy ytm yto ytr yts ytt yys yyt yyy