m-o m-r mmm mmo mmr mmt mmu mmx mom moo mor mot mou mox mrm mro mrr mrt mru mrx mtm mto mtr mtt mtu mtx mum mur mut muu mux mxr mxu om- omm omo omr omt omu omx oo- oom ooo oor oot oox or- orm oro orr ort oru orx ot- otm oto otr ott otu ou- oum ouo our out ox- oxo oxt oxx rmm rmo rmr rmt rmx rom roo ror rot rou rox rrm rrr rrt rru rtm rto rtr rtt rtu rtx rum ruo rur rut ruu rux rxr t-x tmm tmo tmr tmt tmu tmx to- tom too tor tot tou tox trm tro trr trt tru trx ttm tto ttr ttt ttu ttx tum tuo tur tut tuu tux txt txu um- umm umo umr umt umu uom uoo uor uot uox ur- urm uro urr urt uru urx utm uto utr utt utu utx uum uur uut uuu uxo uxr uxt uxu xmm xmo xmr xmt xmu xmx xom xoo xor xot xox xrt xrx xtm xtr xtx xxo xxx