-ic c-- ccc cci cck ccn cco ccr cct ci- cic cii cik cin cio cir cit ckc cki cko ckt cn- cnc cni cnn cno cnr cnt co- coc coi cok con coo cor cot crc cri crk crn cro crr crt ctc cti ctk ctn cto ctr ctt icc ici ick icn ico icr ict iic iii iin iio iir iit ikc iki ikk iko ikr ikt in- inc ini ink inn ino inr int io- ioc ioi ion ioo ior iot ir- irc iri irk irn iro irr irt itc iti itk itn ito itt k-t kcc kci kck kcn kcr kct kic kii kik kin kio kir kit kkc kki kkk kkn kkr kkt kn- knc kni knk knn kno knr knt koc koi kok kon koo kor kot krc kri krk krn kro krr krt ktc ktk ktn kto ktr ktt n-i ncc nci nck ncn nco ncr nct nic nii nik nin nio nir nit nkc nki nkk nkn nko nkr nkt nnc nni nnk nnn nno nnt no- noc noi nok non noo nor not nrc nri nrk nrn nro nrr nrt ntc nti ntk ntn nto ntr ntt o-i oc- occ oci ock ocn oco ocr oct oic oii oik oin oio oir oit okc oki okk oko okr on- onc oni onk onn ono onr ont oo- ooc ooi ook oon ooo oor oot or- orc ori ork orn oro orr ort ot- otc oti otk otn oto otr ott rcc rci rcn rco rcr rct ric rii rik rin rio rir rit rkc rkk rko rkt rnc rni rnn rno rnr rnt roc roi rok ron roo ror rot rrc rri rrk rrn rrr rrt rtc rti rtk rtn rto rtr rtt tcc tci tck tcn tco tcr tct tic tii tik tin tio tir tit tkc tkk tko tkr tkt tnc tni tnk tnn tno tnr tnt to- toc toi tok ton too tor tot trc tri trk trn tro trr trt ttc tti ttk ttn tto ttr ttt