cccc cccf ccci cccl cccu ccfc ccff ccfi ccfl ccic ccii ccil ccir cclc ccli ccrc ccrf ccri ccrl ccuc cfcf cfcl cffr cicc cici cicr cicu ciff cifl ciii cili cill circ ciri cirl cirr ciuc clic clif clii clir clri crcc crcr crfc crfl cric crif criu crlf cucc cuci cufc cuff cufi cui- cuif cuil cuir culc cull curf curi curl curr fccf fcic fcii ffcc ffff ffii ffrr ficc fifc fiff fifi fiii fiil fili fill flcl flic flii fluf flur frcc frfc fric fril fuc- fuci fufc fuff fufu fuil fuir fuli full fulu fur- furi furl furr iccc iccf icci iccl iccr iccu icll iclr icrc icrf icrr icru ific ifil ifrf ifri iiii iirc iiuc ilic ilir ill- illi ircc ircu irfu iri- iric iril irrc irri irul iucc iuiu lccc lcfc lcfr lcrl lfcc licr liff lifl liii liir lili lill lilu lirc liri lirl lirr liru liuf llcc lllc llll lrfc lric lrif lrrc lrrr luci luff lufu luif luli lull lulu luri rccc rcfc rcic rffc rffl rfic ricc riff rifu riif rill rilu riri rlif rrfc rrif rrrr ruci rufc ruff ruif rull rurc ruri ruru ucci ucil ucrc ufcu uirr ulcc ulic ulli ullr ulul urci urff urfi uric urif uriu urri urur uulu uuri uuuu