-ol c-- ccc ccl cco ccr cct ccu cl- clc cll clo clr clt clu co- coc col coo cor cot cou crc crl cro crr crt cru ctc ctl cto ctr ctt ctu cuc cul cuo cur cut cuu lcc lcl lco lcr lct lcu llc lll llo llr llt llu loc lol loo lor lot lou lrc lro lrr lrt lru ltc ltl lto ltr ltt ltu luc lul luo lur lut luu oc- occ ocl oco ocr oct ocu olc oll olo olt olu oo- ooc ool ooo oor oot or- orc orl oro orr ort oru ot- otc otl oto otr ott otu ou- ouc oul ouo our out rcc rcl rco rcr rct rcu rlc rll rlo rlr rlt rlu roc rol roo ror rot rou rrc rrl rrr rrt rru rtc rtl rto rtr rtt rtu ruc ruo rur rut ruu tcc tcl tco tcr tct tcu tlc tll tlo tlr tlt tlu to- toc tol too tor tot tou trc trl tro trr trt tru ttc ttl tto ttr ttt ttu tuc tul tuo tur tut tuu ucc ucl uco ucr uct ucu ulc ull ulo ulr ult ulu uoc uol uoo uor uot ur- urc url uro urr urt uru utc utl uto utr utt utu uuc uur uut uuu