m-o m-r mmm mmo mmr mmt mom moo mor mot moy mrm mro mrr mrt mry mtm mto mtr mtt my- mym myo myr myt om- omm omo omr omt omy oo- oom ooo oor oot or- orm oro orr ort ory ot- otm oto otr ott oyo rmm rmo rmr rmt rom roo ror rot roy rrm rrr rrt rtm rto rtr rtt rty ry- rym ryo ryr ryy tmm tmo tmr tmt tmy to- tom too tor tot toy trm tro trr trt try ttm tto ttr ttt tty tym tyo tyr tyt ymm ymo ymt yom yoo yor yot yoy yro yrt ytm yto ytr ytt yyt yyy