c-- ccc ccf cck ccl ccr cct ccu cfc cff cfk cfl cfr cft cfu ckc ckt cl- clc clf clk cll clr clt clu crc crf crk crl crr crt cru ctc ctf ctk ctl ctr ctt ctu cuc cuf cuk cul cur cut cuu fcc fcf fck fcl fcr fct fcu ffc fff ffk ffl ffr fft ffu fkc fkf fkk fkl fkt flc flf fll flr flt flu frc frf frk frl frr frt fru ftc ftf ftk ftl ftr ftt ftu fuf fuk ful fur fut fuu k-t kcc kck kcl kcr kct kcu kfc kff kfu kkc kkk kkl kkr kkt kku kl- klc klf klr klt klu krc krf krk krl krr krt kru ktc ktf ktk ktl ktr ktt ktu kuc kuk kul kur kut kuu lcc lcf lck lcl lcr lct lcu lfc lff lfk lfl lfr lft lfu lkl lkr lkt llc llf llk lll llr llt llu lrc lrf lrk lrr lrt lru ltc ltf ltk ltl ltr ltt ltu luc luf luk lul lur lut luu rcc rcf rcl rcr rct rcu rfc rff rfk rfl rfr rft rfu rkc rkf rkk rkt rku rlc rlf rll rlr rlt rlu rrc rrf rrk rrl rrr rrt rru rtc rtf rtk rtl rtr rtt rtu ruc ruf ruk rur rut ruu tcc tcf tck tcl tcr tct tcu tfc tff tfk tfl tfr tft tfu tkc tkk tkl tkr tkt tlc tlf tlk tll tlr tlt tlu trc trf trk trl trr trt tru ttc ttf ttk ttl ttr ttt ttu tuc tuf tuk tul tur tut tuu ucc ucf uck ucl ucr uct ucu ufc uff ufl ufr uft ufu ukc ukf ukk ukl ukr uku ulc ulf ulk ull ulr ult ulu ur- urc urf urk url urr urt uru utc utf utk utl utr utt utu uuc uur uut uuu