m-r m-v mmm mmr mmt mmv mmx mrm mrr mrt mrv mrx mtm mtr mtt mtv mtx mvm mvr mvt mvv mxr rmm rmr rmt rmv rmx rrm rrr rrt rtm rtr rtt rtv rtx rvm rvr rvt rvv rxr t-x tmm tmr tmt tmv tmx trm trr trt trv trx ttm ttr ttt ttv ttx tvm tvr tvt tvx txt vm- vmm vmr vmt vmx vrm vrr vrt vtm vtr vtt vtv vtx vvm vvr vvt vvv vxr vxv xmm xmr xmt xmx xrt xrx xtm xtr xtv xtx xvt xxv xxx

mmmm mmxv mmxx mrtm mrtt mtrr mttr mtvr mtvx mvtr rmmv rrrr rxvt tmtt trtr tttt tvmt tvrr tvtv txtr vrtx vt-x vvvv vxvm xxxv xxxx

mmmmm mt-tm mt-tr mt-tt mt-tv ttttt

txt-tv vvvvvv

xxxxxxx

mmmmmmmmmmmm xxxxxxxxxxxx