cccc ccci ccee ccgc ccgt ccic ccii ccir ccrc ccre ccrg ccri ccrt cctc cctt cec- cece ceci cect ceec cege cer- cerc cere ceri cert cet- cete ceti cgcc cgcg cger cicc cici cicr cict ciee cier cigi ciii ciit circ cire ciri cirr cirt cite citg citi citt crcc crce crcr cre- crec cree creg crei cret cric crie crig crit crrt crtc ctec ctge ctic ctrc eccc ecce ecci ecct ecig ecit ecrc ecri ecrr ect- ectc eeee eerc eerg eetc eete egcc egcg egcr egec egee eger egge eggi egir egre egri egte eiec eiei eier eige eigg eire eitc eiti eitr ercc erce erec erei erer eret erg- ergg ergi eric erie erit errc erre etcc etec etee eter etic etre ette etti gc-c gccc gcet gcic gcii gcrg gctc gece geer geet gege gegg geic geie geig geir geit gere geri gert gete getg geti gett gggg gicr gier giet gige gigg gigi gire girg giri girr girt gite grcc grce grec gree greg gret gric grie grig grit grrr grtc gtcr iccc icci iccr icct icec icee icer icet icgc icrc icre icrr icrt iecc ieet ieie iere ieri iett igcc iger iget igri iiie iiii iiit iirc iitr iitt ircc ircg iree irer iri- iric irie irig irrc irre irri irte irti itec iter itet itgc itic itie itri rccc rcet rcgc rcic rcrg rctc rctg rcti recc rece reci recr rect reet rege regi regr regt reii reir reit rere rerg reri rert rete reti retr rett rgit rgtr ricc rice rict rier riet rige rigg rigi rire riri rite riti ritt rrrr rtcc rtce rtcg rtee rtei tccc tctc tecr tect teec teer teet tegg tegi tegt teic teie teir ter- terc tere teri terr tete teti tetr tett tgcc tgtc ticc tice tie- tiee tiei tier tiet tige tigi tigr tiit tire tiri tirr titc tite titi titt trcc tre- trec tree treg trei tret trge tri- tric trie trig trit trtc trte trtr tter tttt