cccc cccl cccv ccee ccel cclc cclv cctc cctl cctt cctv cec- cece cect ceec ceel cel- celc cele cell celt cet- cete cetv clec clee clet cltc cltv ctec ctle ctvt cvcc cvet cvte e-cl eccc ecce eccl ecct eclt ect- ectc ectv eeee eele eelv eetc eete elce elec elee elet elev elle elte elve etcc etec etee etel ette evel evet lccc lcce lctl lece lect leel leet lele lell lete lett lev- levc leve llcc llet lllc llll ltcc ltee lttc lttv lvcc tccc tctc tecl tect teec teel teet teev tel- telc tele tell telt tete tett tevl tttt tvel tvtv vecc veel veet vel- vele vell velt vete veve vlcc vlvt vtec vtvl vvvv