cccc ccgc cchr ccoc ccrc ccrg cgcc cgcg cgro chch choc choh chok choo chor chrc chro chrr ckch ckck ckco ckgo ckoc ckoo ckor ckrc coch cock coco cogh cogo coho cok- coko cooh cook cor- corc corg cork coro corr crcc crcr crkc croc croh crok croo cror gc-c gccc gcrg gggg gghg goch gocr gogh gogo goog gook goor gorg goro gorr grcc groc grog groh grok groo gror grrr hccc hcch hcgh hggc hhgg hhhh hkcc hoch hock hocr hogg hogh hogo hoho hoko hook hoor horc horg hork horo horr hrrc kccc kcck kccr kcgc kcgr kchg kchh kchk kcho kchr kckc kckk kcko kckr kcog kcoh kcor kcrc kcrg kcrh kcro kcrr kgcc kgcr kggg kggo kggr kghr kgor kgrc kgrg kgrk kgro kgrr khcc khch khck khgc khgg khhg khhk khho khkk khkr khoc khok khor khrk khro khrr kkch kkck kkco kkcr kkgo kkgr kkhh kkhk kkhr kkkk kkoh kkoo kkor kkrc kkrh kkrk kkro kkrr koch kock kogg kogh kogo kohh koho kohr kokc kokh kokk koko kokr kooc koog kook kooo koor korc korg kork koro korr krcc krcg krch krco krhc krkc krkh krkk krko krkr kroc krog kroh krok kroo kror krrc krrg krrk krro krrr occc ocro ocrr ogog ogro ohcc ohgr ohho ohoh ohok okgo okko okok okor okro oocr ooho oooh oooo orch orco orgo orko oro- orok oror orro rccc rcgc rcrg rhcg rhoc rhog rhoh rocc roch rock roco rogg rogh rogo rohr rokh rokk roko rokr roog rook roor rorc rork roro rrrr