m-o mmm mmo mms mmt mmu mom moo mos mot mou moy msm mso mss mst msu msy mtm mto mts mtt mtu mum mus mut muu muy my- mym myo mys myt myu om- omm omo oms omt omu omy oo- oom ooo oos oot os- osm oso oss ost osu ot- otm oto ots ott otu ou- oum ouo ous out oyo oys smm smo sms smt smu smy som soo sos sot sou soy ss- ssm sso sss sst ssu stm sto sts stt stu sty sum suo sus sut suu suy sy- sym sys syt syu tmm tmo tms tmt tmu tmy to- tom too tos tot tou toy tsm tso tss tst tsu tsy ttm tto tts ttt ttu tty tum tuo tus tut tuu tuy tym tyo tys tyt um- umm umo ums umt umu uom uoo uos uot usm uso uss ust usu utm uto uts utt utu uty uum uus uut uuu uyo uys uyu ymm ymo yms ymt yom yoo yos yot you yoy ysm yso yss yst ysu ysy ytm yto yts ytt ytu yum yuo yus yut yuu yuy yys yyt yyu yyy