-ic c-- ccc cci cco ccr cct ci- cic cii cio ciq cir cit co- coc coi coo coq cor cot cqc cqi cqo cqt crc cri cro crq crr crt ctc cti cto ctq ctr ctt icc ici ico icq icr ict iic iii iio iir iit io- ioc ioi ioo ior iot iqc iqt ir- irc iri iro irq irr irt itc iti ito itq itt o-i oc- occ oci oco ocr oct oic oii oio oir oit oo- ooc ooi ooo oor oot oqo or- orc ori oro orr ort ot- otc oti oto otr ott qcc qci qco qct qic qio qir qit qoi qoo qor qqq qrc qri qrt qtc qti qto qtq qtr rcc rci rco rcr rct ric rii rio riq rir rit roc roi roo ror rot rqc rrc rri rrq rrr rrt rtc rti rto rtq rtr rtt tcc tci tco tcr tct tic tii tio tir tit to- toc toi too toq tor tot tqo trc tri tro trq trr trt ttc tti tto ttr ttt