cccc ccci cccl ccic ccii ccil ccir cclc ccli ccrc ccri ccrl ccrt cctc cctl cctt cicc cici cicr cict ciii ciit cikr cili cilk cill cilt circ ciri cirk cirl cirr cirt citi citl citt ckck ckcl ckrc clic clii clik clir clit clri cltc crcc crcr cric crik crit crkc crkl crrt crtc crtl ctic ctrc ctrl iccc icci iccl iccr icct icll iclr icrc icrr icrt iiii iiit iirc iitr iitt ikki ikri ilic ilir ilit ilki ill- illi illt ircc iri- iric iril irki irrc irri irti itic itil itll itri k-ci kccc kcci kcck kccl kccr kcct kcic kcii kcil kcir kcit kckc kckk kckl kckr kclc kcli kclk kcll kclr kclt kcrc kcri kcrr kcrt kctc kcti kicc kick kicl kicr kict kiic kiii kiik kiit kikc kiki kikk kikr kikt kili kilk kill kilr kilt kirc kiri kirk kirr kirt kitc kiti kitl kitr kitt kkci kkck kkcl kkcr kkct kkic kkik kkit kkkk kklc kkli kkll kkrc kkrk kkrl kkrr kkrt kktc kktk kktl klcc klci klck klcl klcr klic klik klil klir klit klkc klkk klkl klkr kllc kllk klrc klrk klrr kltc klti kltk kltr kltt krcc krci krcl krik kril krit krkc krki krkk krkr krlc krlt krrc krri krrk krrl krrr krrt krtc krti krtk krtr ktcc ktck ktcl ktcr ktic ktik ktil ktkc ktkk ktkr ktkt ktli ktlk ktlr ktlt ktrc ktri ktrk ktrl ktrr ktrt kttc ktti kttk kttr kttt lccc lcrl lctl lick licr lict liii liir lili lill lilt lirc liri lirk lirl lirr lirt liti litl litr litt llcc lllc llll lric lrrc lrrr ltcc ltci lttc lttr rccc rcic rctc rcti ricc rick rict riki rikk rill riri riti ritl ritt rrrr rtcc rtlt tccc tctc ticc tick tiit tiki till tilr tilt tiri tirl tirr titc titi titt tlik tlli trcc trcl tri- tric trik tril trit trtc trtr tttt