-ol k-t kkk kkl kks kkt kkv kl- klo kls klt klv kok kol koo kos kot ksk ksl kso kss kst ksv ktk ktl kto kts ktt ktv kvk kvo kvs kvv lkl lks lkt llk lll llo lls llt llv lok lol loo los lot lov lsk lsl lso lss lst lsv ltk ltl lto lts ltt ltv lvl lvs lvt lvv okk okl oko oks olk oll olo ols olt oo- ook ool ooo oos oot oov os- osk osl oso oss ost osv ot- otk otl oto ots ott otv ov- ovl ovo ovs ovv sk- skk skl sko sks skt slk sll slo sls slt slv sok sol soo sos sot sov ss- ssk ssl sso sss sst ssv stk stl sto sts stt stv svk svl svo svs svt svv tkk tkl tko tks tkt tlk tll tlo tls tlt tlv to- tok tol too tos tot tov tsk tsl tso tss tst tsv ttk ttl tto tts ttt ttv tvk tvl tvo tvs tvt vkt vl- vlk vll vlo vls vlt vlv vok vol voo vos vot vov vsk vsl vso vss vst vsv vtk vtl vto vts vtt vtv vvo vvs vvt vvv