cccc ccgc ccgt cchr ccoc ccrc ccrg ccrt cctc cctt cgcc cgcg cgro chch choc choh choo chor chrc chro chrr chrt chto chtr chtt coch coco coct cogh cogo coho cooh coot cor- corc corg coro corr cort cotc coth coto cott crcc crcr croc croh croo cror crot crrt crtc ctor ctot ctrc gc-c gccc gcrg gctc gggg gghg goch gocr gogh gogo goog goor goot gorg goro gorr gort goth goto gott grcc groc grog groh groo gror grot grrr grtc gtco gtcr hccc hcch hcgh hggc hgtc hhgg hhhh hoch hocr hogg hogh hogo hoho hoor hoot horc horg horo horr hort hoth hoto hotr hott hrrc htcc htoh httr occc occt ocht ocro ocrr oct- octo oght ogog ogro ohcc ohgr ohho ohoh ohto oocr ooho oooh oooo oort orch orco orgo oro- oror orot orro ortc orth orto otho othr oto- otog otoh otoo otor otro otto rccc rcgc rcrg rctc rctg rgtr rhcg rhoc rhog rhoh rocc roch roco rogg rogh rogo rohr roog roor root rorc roro rort rotc rotg roth roto rotr rott rrrr rtcc rtcg tccc tch- tchh tcho tchr tctc tgcc tgtc thch thog thoo thor thot thro thtr toch toco togh togo togr togt toho tooh toor toot torc torg toro torr tort totc toth toto totr tott trcc troc trog troo trot trtc trtr tttt