cccc ccci cccv ccee ccic ccii ccir cciv ccrc ccre ccri ccvi cec- cece ceci ceec cer- cerc cere ceri cicc cici cicr ciee cier ciii circ cire ciri cirr civc cive crcc crce crcr cre- crec cree crei cric crie cvcc cver cvii cvrr eccc ecce ecci ecrc ecri ecrr ecrv eeee eerc eiec eiei eier eire ercc erce erec erei erer erev eric erie errc erre erve ervi ever evie evir evre iccc icci iccr icec icee icer icrc icre icrr iecc ieie iere ieri iiie iiii iirc ircc iree irer iri- iric irie irrc irre irri ivec iver ivic ivie ivre rccc rcic rcvr recc rece reci recr reev reii reir rere reri reve revi ricc rice rier rire riri rive rrrr rv-c rver vcci vecc veci veer veie veii veir ver- vere veri veve vevi vic- vice vici vier viii virc vire viri virr vive vivi vrci vver vvvv