cccc cccf ccci cccl ccfc ccff ccfi ccfl ccic ccii ccil cclc ccli ccnc ccnf ccni ccoc cfcf cfcl cfcn cfco cfln cfni cicc cici cico ciff cifl ciii cili cill cilo cin- cinc cinf cini cino cion clic clif clii clin clio clof clon cloo cnci cnco cnic coco cofc coff cofi coif coil coin col- coli coll coln colo con- conc conf coni conn cono coof cool coon fccf fcic fcii fcnl ffcc ffff ffii ficc fico fifc fiff fifi fifo fiii fiil fili fill filn filo fini finn fino fion flcl flic flii flin flnc floc flon floo fnci fnlc foci foco fofo foil foin folc foli foll folo fono foof fool foon i-no iccc iccf icci iccl iccn icco icll icnc icoc icon ifco ific ifil ifni ifno iiii iiio iino iioi iioo ilic ilin ilio ill- illi illo ilni ilno iloc iloo inci incl inco infi infl info inni inno ino- inoi inol inon ioci iofc ioii ioio iolo ioni ionn iono ioof iooi iooo lccc lcfc lfcc lico liff lifl lifo liii liin lili lill lilo linc linn lino lio- lion llcc lllc llll lloc lloo locc loci locn loco loff lofi lofn loic loif loin loli loll lolo loni lono looc loof lool loon n-ii nccc nccf ncci nccn ncfc nclc ncln ncnc ncoc nfff nfic nfon nicc nicf nici nicl nico nifc niff nili nill nilo nini ninl nino nion nioo nlcc nlcf nlic nnnn noci nocl noco nofi noif noil noin noio nolf noli noll nolo non- noni nonn nono noo- nool noon nooo occc occi occn ocin oclc ocon ofcl off- offc offo ofno oici oiii oion olcc olic olin olio olli ollo olof olon onc- oncf onco onic onil onlf onni onno onon ooff oolo oooo