-ic c-- ccc ccd ccg cci cck cco ccr cct cdc cdd cdg cdi cdk cdo cdr cdt cgc cgd cgg cgi cgo cgr cgt ci- cic cid cig cii cik cio cir cit ckc ckd cki cko ckt co- coc cod cog coi cok coo cor cot crc crd crg cri crk cro crr crt ctc ctd ctg cti ctk cto ctr ctt dcc dcd dcg dci dck dco dcr dct ddc ddd ddg ddi ddk ddo ddr ddt dgc dgd dgg dgi dgk dgr dgt di- dic did dig dii dik dio dir dit dkc dkg dki dkk dko dkr dkt doc dod dog doi dok doo dor dot drc drd drg dri drk dro drr drt dtc dtd dtg dti dtk dto dtr dtt g-d gcc gcd gcg gci gck gco gcr gct gdc gdd gdi gdk gdo gdr gdt ggc ggd ggg ggi ggo ggr ggt gic gid gig gii gik gio gir git gkd gko gkt goc god gog goi gok goo gor got grc grd grg gri grk gro grr grt gtc gtd gtg gti gtk gto gtr gtt i-d icc icd icg ici ick ico icr ict idc idd idg idi idk ido idr idt igc igd igg igi igk igo igr igt iic iid iii iio iir iit ikc iki ikk iko ikr ikt io- ioc iod iog ioi ioo ior iot ir- irc ird irg iri irk iro irr irt itc itd itg iti itk ito itt k-t kcc kcd kcg kci kck kcr kct kdc kdg kdk kdo kdr kdt kgc kgd kgi kgo kic kid kig kii kik kio kir kit kkc kki kkk kkr kkt koc kod kog koi kok koo kor kot krc krd krg kri krk kro krr krt ktc ktg ktk kto ktr ktt o-i oc- occ ocd ocg oci ock oco ocr oct odc odd odg odi odo odr odt ogc ogd ogg ogi ogo ogt oic oid oii oik oio oir oit okc okd okg oki okk oko okr oo- ooc ood oog ooi ook ooo oor oot or- orc ord org ori ork oro orr ort ot- otc otd otg oti otk oto otr ott rcc rcd rcg rci rco rcr rct rdc rdd rdg rdi rdo rdr rdt rgc rgd rgg rgi rgk rgo rgr rgt ric rid rig rii rik rio rir rit rkc rkg rkk rko rkt roc rod rog roi rok roo ror rot rrc rrd rrg rri rrk rrr rrt rtc rtd rtg rti rtk rto rtr rtt tcc tcd tcg tci tck tco tcr tct tdc tdd tdg tdi tdk tdo tdr tdt tgc tgg tgi tgk tgo tgr tgt tic tid tig tii tik tio tir tit tkc tkg tkk tko tkr tkt to- toc tod tog toi tok too tor tot trc trd trg tri trk tro trr trt ttc ttd ttg tti ttk tto ttr ttt