cccc ccci ccee cche cchr ccic ccii ccir ccix ccrc ccre ccri ccxi cec- cece ceci ceec cer- cerc cere ceri cexe chce chch chci chec chee cheh cher chex chic chie chih chir chrc chrr cicc cich cici cicr ciee cier cihr ciii circ cire cirh ciri cirr cixi crcc crce crcr cre- crec cree creh crei crex cric crie cxii cxix cxxi cxxx eccc ecce ecci eche ecrc ecri ecrr eeee eerc ehcc eheh eher ehre eich eiec eiei eier eire er-x ercc erce erch erec erei erer erhc eric erie erih errc erre exch exec exer exh- exhi exrx h-ii hccc hcch hchi hech heer hehe heic heie heih heir herc here heri herr hex- hexe hexi hhex hhhh hi-c hicc hice hich hiei hier hihc hihe hihi hiie hire hiri hree hrrc iccc icci iccr icec icee icer icex ichc iche ichi ichr icrc icre icrr iecc ieie iere ieri ihcc iher ihrc ihre iiie iiii iirc ircc ircx iree irer irex iri- iric irie irix irrc irre irri ixxi rccc rcic recc rece rech reci recr rehe rehi reii reir rere reri rexx rhce rhee rhex ricc rice rich rier riex rire riri rixc rixe rrrr xcii xcri xeer xer- xexe xhri xihe xiii xixi xxii xxix xxxi xxxx