-ic c-- ccc ccd cci cco ccr cct cdc cdd cdi cdo cdq cdr cdt ci- cic cid cii cio ciq cir cit co- coc cod coi coo coq cor cot cqc cqd cqi cqo cqt crc crd cri cro crq crr crt ctc ctd cti cto ctq ctr ctt dcc dcd dci dco dcr dct ddc ddd ddi ddo ddq ddr ddt di- dic did dii dio diq dir dit doc dod doi doo doq dor dot drc drd dri dro drq drr drt dtc dtd dti dto dtr dtt i-d icc icd ici ico icq icr ict idc idd idi ido idq idr idt iic iid iii iio iir iit io- ioc iod ioi ioo ior iot iqc iqd iqt ir- irc ird iri iro irq irr irt itc itd iti ito itq itt o-i oc- occ ocd oci oco ocr oct odc odd odi odo odr odt oic oid oii oio oir oit oo- ooc ood ooi ooo oor oot oqo or- orc ord ori oro orr ort ot- otc otd oti oto otr ott qcc qcd qci qco qct qdr qdt qic qid qio qir qit qoi qoo qor qqq qrc qri qrt qtc qtd qti qto qtq qtr rcc rcd rci rco rcr rct rdc rdd rdi rdo rdr rdt ric rid rii rio riq rir rit roc rod roi roo ror rot rqc rrc rrd rri rrq rrr rrt rtc rtd rti rto rtq rtr rtt tcc tcd tci tco tcr tct tdc tdd tdi tdo tdr tdt tic tid tii tio tir tit to- toc tod toi too toq tor tot tqo trc trd tri tro trq trr trt ttc ttd tti tto ttr ttt