cccc ccci ccee cche cchr ccic ccii ccir ccoc ccrc ccre ccri cec- cece ceci ceco ceec ceor cer- cerc cere ceri cero chce chch chci chec chee cheh cher chic chie chih chir choc choh choi choo chor chrc chro chrr cicc cich cici cico cicr ciee cier cihr ciii cior circ cire cirh ciri ciro cirr coce coch coco coho coir cooh cor- corc core cori coro corr crcc crce crcr cre- crec cree creh crei creo cric crie croc croe croh croo cror eccc ecce ecci ecco eche echo eco- ecrc ecri ecrr eeee eeoc eerc eero ehcc eheh eher ehre eich eico eiec eiei eier eiho eire eoir eore eori ercc erce erch erec erei erer erhc eric erie erih erio eroc eroe eroi eroo errc erre erro h-ii hccc hcch hchi hech heer hehe heho heic heie heih heir heor herc here heri hero herr hhhh hi-c hicc hice hich hico hiei hier hihc hihe hihi hiho hiie hioc hire hiri hiro hoce hoch hocr hoei hoer hohe hoho hoie hoir hooe hoor horc hore hori horo horr hree hrrc iccc icci icco iccr icec icee icer ichc iche ichi icho ichr icoc icor icrc icre icrr iecc ieie ieio ieoh iere ieri ihcc iher ihrc ihre iiie iiii iiio iioi iioo iirc ioci ioee ioii ioio iooi iooo iore iori ircc iree irer iri- iric irie irio iroc iroh irrc irre irri o-eo occc occi oce ocee oche ochi ocre ocro ocrr oec- oecc oeec oere ohcc ohee oher ohhi ohho ohio ohoh ohre oici oier oiii oire oocr ooer ooho oooh oooo oore orce orch orci orco ore- orec oreh oreo orer orhe ori- oric orie orio oro- oroe oror orri orro rccc rcic recc rece rech reci recr rehe rehi reii reir rere reri rero rhce rhee rheo rhio rhoc rhoh ricc rice rich rico rier riho rire riri rocc roce roch roco roer rohe rohr roio roir rooi roor rorc rore rori roro rrrr