-er -ic c-- ccc ccd cce cci cck ccl ccr ccv cdc cdd cde cdi cdk cdl cdr cdv ce- cec ced cee cei cek cel cer cev ci- cic cid cie cii cik cil cir civ ckc ckd cki cl- clc cld cle cli clk cll clr clv crc crd cre cri crk crl crr crv cvc cvd cve cvi cvk cvl cvr cvv dcc dcd dce dci dck dcl dcr dcv ddc ddd dde ddi ddk ddl ddr de- dec ded dee dei dek del der dev di- dic did die dii dik dil dir div dkc dke dki dkk dkl dkr dl- dlc dld dle dli dlk dll dlr dlv drc drd dre dri drk drl drr drv dvc dvd dve dvi dvk dvl dvr ec- ecc ecd ece eci eck ecl ecr ecv ed- edc edd ede edi edk edl edr eec eed eee eek eel eer eev eic eid eie eii eik eil eir eiv ekc ekd eke eki ekl ekr ekv elc eld ele eli elk ell elr elv erc erd ere eri erk erl err erv evc evd eve evi evl evr evv i-d i-v icc icd ice ici ick icl icr icv idc idd ide idi idk idl idr idv ie- iec ied iee iei iek iel ier iev iic iid iie iii iil iir ikc ike iki ikk ikl ikr ikv il- ilc ild ile ili ilk ill ilr ilv ir- irc ird ire iri irk irl irr irv ivc ivd ive ivi ivl ivr ivv kcc kcd kce kci kck kcl kcr kdc kde kdk kdl kdr ke- kec ked kee kei kek kel ker kev kic kid kie kii kik kil kir kiv kkc kke kki kkk kkl kkr kkv kl- klc kld kli klr klv krc krd kri krk krl krr krv kvi kvk kvr kvv lcc lcd lce lci lck lcl lcr lcv ldc ldd lde ldi ldk ldl ldr ldv lec led lee lei lek lel ler lev lic lid lie lii lik lil lir liv lkl lkr llc lld lle lli llk lll llr llv lrc lrd lri lrk lrr lrv lvc lvd lve lvi lvl lvr lvv rcc rcd rce rci rcl rcr rcv rdc rdd rde rdi rdl rdr rdv re- rec red ree rei rek rel rer rev ric rid rie rii rik ril rir riv rkc rke rkk rkv rlc rld rle rli rll rlr rrc rrd rri rrk rrl rrr rvc rvd rve rvi rvl rvr rvv v-e vcc vcd vce vci vcl vcr vdc vdd vde vdi vdk vdl vdr vdv vec ved vee vei vek vel ver vi- vic vid vie vii vik vil vir viv vl- vlc vld vle vlk vll vlv vrc vrd vre vri vrk vrr vvc vvi vvr vvv