-ol lll llm llo llt llv lml lmm lmo lmt lmv lol lom loo lot lov ltl ltm lto ltt ltv lvl lvm lvt lvv m-o m-v mll mlm mlo mlt mlv mml mmm mmo mmt mmv mol mom moo mot mov mtl mtm mto mtt mtv mvl mvm mvo mvt mvv oll olm olo olt om- oml omm omo omt omv oo- ool oom ooo oot oov ot- otl otm oto ott otv ov- ovl ovo ovv tll tlm tlo tlt tlv tml tmm tmo tmt tmv to- tol tom too tot tov ttl ttm tto ttt ttv tvl tvm tvo tvt vl- vll vlm vlo vlt vlv vm- vmm vmo vmt vol vom voo vot vov vtl vtm vto vtt vtv vvm vvo vvt vvv