-er -ic c-- ccc cce cci cck ccr cct ccu ccv ce- cec cee cei cek cer cet ceu cev ci- cic cie cii cik cir cit ciu civ ckc cki ckt crc cre cri crk crr crt cru crv ctc cte cti ctk ctr ctt ctu ctv cuc cue cui cuk cur cut cuu cuv cvc cve cvi cvk cvr cvt cvu cvv ec- ecc ece eci eck ecr ect ecu ecv eec eee eek eer eet eev eic eie eii eik eir eit eiu eiv ekc eke eki ekr ekt eku ekv erc ere eri erk err ert eru erv etc ete eti etk etr ett etu etv eu- euc eue eui eur eut euv evc eve evi evr evt evv i-v icc ice ici ick icr ict icu icv ie- iec iee iei iek ier iet iev iic iie iii iir iit iiu ikc ike iki ikk ikr ikt iku ikv ir- irc ire iri irk irr irt iru irv itc ite iti itk itt itu itv iu- iuc iue iui iur iut ivc ive ivi ivr ivt ivu ivv k-t kcc kce kci kck kcr kct kcu ke- kec kee kei kek ker ket kev kic kie kii kik kir kit kiu kiv kkc kke kki kkk kkr kkt kku kkv krc kri krk krr krt kru krv ktc kte ktk ktr ktt ktu ktv kuc kue kui kuk kur kut kuu kvi kvk kvr kvv rcc rce rci rcr rct rcu rcv re- rec ree rei rek rer ret reu rev ric rie rii rik rir rit riv rkc rke rkk rkt rku rkv rrc rri rrk rrr rrt rru rtc rte rti rtk rtr rtt rtu rtv ruc rue rui ruk rur rut ruu ruv rvc rve rvi rvr rvt rvu rvv tcc tce tci tck tcr tct tcu tcv te- tec tee tei tek ter tet teu tev tic tie tii tik tir tit tiu tiv tkc tke tkk tkr tkt trc tre tri trk trr trt tru trv ttc tte tti ttk ttr ttt ttu ttv tuc tue tui tuk tur tut tuu tuv tvc tve tvi tvk tvr tvt tvu ucc uce uci uck ucr uct ucu ucv uec uee uei uer uet uic uie uii uir uit uiu ukc uke uki ukk ukr uku ur- urc ure uri urk urr urt uru utc ute uti utk utr utt utu utv uuc uue uur uut uuu uvc uve uvu uvv v-e vcc vce vci vcr vct vcu vec vee vei vek ver vet veu vi- vic vie vii vik vir vit viu viv vkt vrc vre vri vrk vrr vrt vru vtc vte vti vtk vtr vtt vtu vtv vue vuk vur vut vuv vvc vvi vvr vvt vvv