-ene -yne cccc cccs ccee ccnc ccne ccnr ccns ccny ccrc ccre ccrs ccsn ccss cec- cece cecs ceec cees cen- cene cens ceny cer- cerc cere cern cers cery cesc cese cesr cess ceys cnes cnrc cnrr cnss crcc crce crcr cre- crec cree cren cres crne crns crss cry- cryn crys cscc csce cscr cscs csec csee cser csne csny csrc csrs csse cssr csys cyc- cycc cycs cyen cyn- cyne cyre cyrs cyse cyy- cyyc cyyn eccc ecce eces ecne ecrc ecrr ecsc ecse ecss eecs eeee eees eens eeny eerc eers eery eese eesy ence encs ency enee ener enes eney ennc enne enns enny enrs enry ense enye enys ercc erce erec eren erer eres erne erns errc erre errs erse eryc erye esce escr escs esee esen eser eses esne esse essy esyn eyec eyen eyer eyes eyey eyne eyre eyry eyse eyyr nccc nccn nccr nccs ncec ncee ncen ncer nces ncnc ncrc ncre ncsc ncse ncss ncsy necc nece necr necs necy neen neer nees nene nens nerc nere nerr ners nery nesc nese nesn nesr ness neye neyn neys nnes nnnn nnss nrcs nren nrrc nrsc nscc nscs nsec nser nsnr nsrc nssc nsse nssr nsss nycc nyce nycy nyen nyer nyes nyne nyny nysc nyse nyss rccc rccs rcnr rcsc rcss rcyc recc rece recr recs recy reen rees rene renn rens reny rere rers rery rese resn ress reye reyn reys rncs rrrr rscc rscn rscs rscy rsee rsnn rsnr rsre ryen ryes ryne rynn rysy sccc scce sccs sccy scec scee scer scey scnr scr- scrc scre scrn scrs scry scsc scsn scsr scye scyn se-c se-e se-n se-s se-y sec- secc sece secn secr secs secy seec seen seer sees seey sene senn senr sens seny serc sere sern serr sers sery sesc sese sess seye seyn seys sncc snee sner snes snns snrs snsy snye snys srcc srec sres srnn sscc ssce sscs ssec ssee sses ssns ssrc ssrs sssc ssss syce sycr syen syer syes syn- sync syne syns syny syre syrs syry syse syss yccc ycee yeen yeer yees yenc yene yens yere yern yerr yers yery yess yeye yeyr ynce ynes ynne yren yrne yryn ysee ysen yser yses ysse yyyy