-ic c-- ccc ccg cci ccm ccr cct cgc cgg cgi cgm cgr cgt ci- cic cig cii cim cir cit cmc cmg cmi cmm cmr cmt crc crg cri crm crr crt ctc ctg cti ctm ctr ctt gcc gcg gci gcm gcr gct ggc ggg ggi ggm ggr ggt gic gig gii gim gir git gmc gmg gmi gmm gmr gmt grc grg gri grm grr grt gtc gtg gti gtm gtr gtt icc icg ici icm icr ict igc igg igi igm igr igt iic iii iim iir iit im- imc img imi imm imt ir- irc irg iri irm irr irt itc itg iti itm itt m-r mc- mcc mcg mci mcm mcr mct mgc mgi mgm mgr mgt mi- mic mig mii mim mir mit mmc mmg mmi mmm mmr mmt mrc mrg mri mrm mrr mrt mtc mtg mti mtm mtr mtt rcc rcg rci rcm rcr rct rgc rgg rgi rgr rgt ric rig rii rim rir rit rmc rmg rmi rmm rmr rmt rrc rrg rri rrm rrr rrt rtc rtg rti rtm rtr rtt tcc tcg tci tcm tcr tct tgc tgg tgi tgm tgr tgt tic tig tii tim tir tit tmc tmg tmi tmm tmr tmt trc trg tri trm trr trt ttc ttg tti ttm ttr ttt