-ol lll llm llo lls llt llu lml lmm lmo lms lmt lmu lol lom loo los lot lou lsl lsm lso lss lst lsu ltl ltm lto lts ltt ltu lul lum luo lus lut luu m-o mll mlm mlo mls mlt mlu mml mmm mmo mms mmt mmu mol mom moo mos mot mou msl msm mso mss mst msu mtl mtm mto mts mtt mtu mul mum mus mut muu oll olm olo ols olt olu om- oml omm omo oms omt omu oo- ool oom ooo oos oot os- osl osm oso oss ost osu ot- otl otm oto ots ott otu ou- oul oum ouo ous out sll slm slo sls slt slu sml smm smo sms smt smu sol som soo sos sot sou ss- ssl ssm sso sss sst ssu stl stm sto sts stt stu sul sum suo sus sut suu tll tlm tlo tls tlt tlu tml tmm tmo tms tmt tmu to- tol tom too tos tot tou tsl tsm tso tss tst tsu ttl ttm tto tts ttt ttu tul tum tuo tus tut tuu ull ulm ulo uls ult ulu um- uml umm umo ums umt umu uol uom uoo uos uot usl usm uso uss ust usu utl utm uto uts utt utu uum uus uut uuu