-ic c-- ccc ccd cci cco ccp ccr cct cdc cdd cdi cdo cdp cdr cdt ci- cic cid cii cio cip cir cit co- coc cod coi coo cop cor cot cpc cpd cpi cpo cpp cpr cpt crc crd cri cro crp crr crt ctc ctd cti cto ctp ctr ctt dcc dcd dci dco dcp dcr dct ddc ddd ddi ddo ddp ddr ddt di- dic did dii dio dip dir dit doc dod doi doo dop dor dot dpc dpd dpi dpo dpp dpr dpt drc drd dri dro drp drr drt dtc dtd dti dto dtp dtr dtt i-d icc icd ici ico icp icr ict idc idd idi ido idp idr idt iic iid iii iio iip iir iit io- ioc iod ioi ioo iop ior iot ipc ipd ipi ipo ipp ipr ipt ir- irc ird iri iro irp irr irt itc itd iti ito itp itt o-i oc- occ ocd oci oco ocp ocr oct odc odd odi odo odp odr odt oic oid oii oio oip oir oit oo- ooc ood ooi ooo oop oor oot op- opc opd opi opo opp opr opt or- orc ord ori oro orp orr ort ot- otc otd oti oto otp otr ott p-p pcc pcd pci pco pcp pcr pct pdc pdd pdi pdo pdp pdr pdt pic pid pii pio pip pir pit poc pod poi poo pop por pot ppc ppd ppi ppo ppp ppr ppt prc prd pri pro prp prr prt pt- ptc ptd pti pto ptp ptr ptt rcc rcd rci rco rcp rcr rct rdc rdd rdi rdo rdp rdr rdt ric rid rii rio rip rir rit roc rod roi roo rop ror rot rpc rpd rpi rpo rpp rpr rpt rrc rrd rri rrp rrr rrt rtc rtd rti rto rtp rtr rtt tcc tcd tci tco tcp tcr tct tdc tdd tdi tdo tdp tdr tdt tic tid tii tio tip tir tit to- toc tod toi too top tor tot tpc tpd tpi tpo tpp tpr tpt trc trd tri tro trp trr trt ttc ttd tti tto ttp ttr ttt