-ic c-- ccc ccd cci cck ccr cct cdc cdd cdi cdk cdr cdt ci- cic cid cii cik cir cit ckc ckd cki ckt crc crd cri crk crr crt ctc ctd cti ctk ctr ctt dcc dcd dci dck dcr dct ddc ddd ddi ddk ddr ddt di- dic did dii dik dir dit dkc dki dkk dkr dkt drc drd dri drk drr drt dtc dtd dti dtk dtr dtt i-d icc icd ici ick icr ict idc idd idi idk idr idt iic iid iii iir iit ikc iki ikk ikr ikt ir- irc ird iri irk irr irt itc itd iti itk itt k-t kcc kcd kci kck kcr kct kdc kdk kdr kdt kic kid kii kik kir kit kkc kki kkk kkr kkt krc krd kri krk krr krt ktc ktk ktr ktt rcc rcd rci rcr rct rdc rdd rdi rdr rdt ric rid rii rik rir rit rkc rkk rkt rrc rrd rri rrk rrr rrt rtc rtd rti rtk rtr rtt tcc tcd tci tck tcr tct tdc tdd tdi tdk tdr tdt tic tid tii tik tir tit tkc tkk tkr tkt trc trd tri trk trr trt ttc ttd tti ttk ttr ttt