-er -ic c-- ccc cce cci ccr cct ccu ccv ce- cec cee cei cer cet ceu cev ci- cic cie cii cir cit ciu civ crc cre cri crr crt cru crv ctc cte cti ctr ctt ctu ctv cuc cue cui cur cut cuu cuv cvc cve cvi cvr cvt cvu cvv ec- ecc ece eci ecr ect ecu ecv eec eee eer eet eev eic eie eii eir eit eiu eiv erc ere eri err ert eru erv etc ete eti etr ett etu etv eu- euc eue eui eur eut euv evc eve evi evr evt evv i-v icc ice ici icr ict icu icv ie- iec iee iei ier iet iev iic iie iii iir iit iiu ir- irc ire iri irr irt iru irv itc ite iti itt itu itv iu- iuc iue iui iur iut ivc ive ivi ivr ivt ivu ivv rcc rce rci rcr rct rcu rcv re- rec ree rei rer ret reu rev ric rie rii rir rit riv rrc rri rrr rrt rru rtc rte rti rtr rtt rtu rtv ruc rue rui rur rut ruu ruv rvc rve rvi rvr rvt rvu rvv tcc tce tci tcr tct tcu tcv te- tec tee tei ter tet teu tev tic tie tii tir tit tiu tiv trc tre tri trr trt tru trv ttc tte tti ttr ttt ttu ttv tuc tue tui tur tut tuu tuv tvc tve tvi tvr tvt tvu ucc uce uci ucr uct ucu ucv uec uee uei uer uet uic uie uii uir uit uiu ur- urc ure uri urr urt uru utc ute uti utr utt utu utv uuc uue uur uut uuu uvc uve uvu uvv v-e vcc vce vci vcr vct vcu vec vee vei ver vet veu vi- vic vie vii vir vit viu viv vrc vre vri vrr vrt vru vtc vte vti vtr vtt vtu vtv vue vur vut vuv vvc vvi vvr vvt vvv