-er -ic c-- ccc ccd cce cci ccl ccr ccs ccu ccv cdc cdd cde cdi cdl cdr cds cdu cdv ce- cec ced cee cei cel cer ces ceu cev ci- cic cid cie cii cil cir cis ciu civ cl- clc cld cle cli cll clr cls clu clv crc crd cre cri crl crr crs cru crv csc csd cse csi csl csr css csu csv cuc cud cue cui cul cur cus cuu cuv cvc cvd cve cvi cvl cvr cvs cvu cvv dcc dcd dce dci dcl dcr dcs dcu dcv ddc ddd dde ddi ddl ddr dds ddu de- dec ded dee dei del der des deu dev di- dic did die dii dil dir dis diu div dl- dlc dld dle dli dll dlr dls dlu dlv drc drd dre dri drl drr drs dru drv dsc dsd dse dsi dsl dsr dss dsu dsv duc dud due dui dul dur dus duv dvc dvd dve dvi dvl dvr dvs dvu ec- ecc ecd ece eci ecl ecr ecs ecu ecv ed- edc edd ede edi edl edr eds edu eec eed eee eel eer ees eev eic eid eie eii eil eir eis eiu eiv elc eld ele eli ell elr els elu elv erc erd ere eri erl err ers eru erv es- esc esd ese esi esl esr ess esu esv eu- euc eud eue eui eul eur eus euv evc evd eve evi evl evr evs evv i-d i-v icc icd ice ici icl icr ics icu icv idc idd ide idi idl idr ids idu idv ie- iec ied iee iei iel ier ies iev iic iid iie iii iil iir iis iiu il- ilc ild ile ili ill ilr ils ilu ilv ir- irc ird ire iri irl irr irs iru irv is- isc isd ise isi isl isr iss isu isv iu- iuc iud iue iui iur ius ivc ivd ive ivi ivl ivr ivs ivu ivv lcc lcd lce lci lcl lcr lcs lcu lcv ldc ldd lde ldi ldl ldr lds ldu ldv lec led lee lei lel ler les leu lev lic lid lie lii lil lir lis liu liv llc lld lle lli lll llr lls llu llv lrc lrd lri lrr lrs lru lrv lsc lsd lse lsi lsl lsr lss lsu lsv luc lud lue lui lul lur lus luu luv lvc lvd lve lvi lvl lvr lvs lvv rcc rcd rce rci rcl rcr rcs rcu rcv rdc rdd rde rdi rdl rdr rds rdu rdv re- rec red ree rei rel rer res reu rev ric rid rie rii ril rir ris riv rlc rld rle rli rll rlr rls rlu rrc rrd rri rrl rrr rrs rru rsc rsd rse rsi rsl rsr rss rsu rsv ruc rud rue rui rur rus ruu ruv rvc rvd rve rvi rvl rvr rvs rvu rvv scc scd sce sci scl scr scs scu scv sdc sdd sde sdi sdl sdr sds sdu sdv se- sec sed see sei sel ser ses seu sev sic sid sie sii sil sir sis siu siv slc sld sle sli sll slr sls slu slv sr- src srd sre sri srl srr srs srv ss- ssc ssd sse ssi ssl ssr sss ssu ssv suc sud sue sui sul sur sus suu suv svc svd sve svi svl svr svs svu svv ucc ucd uce uci ucl ucr ucs ucu ucv udc udd ude udi udl udr uds udu udv uec ued uee uei uel uer ues uic uid uie uii uil uir uis uiu ulc uld ule uli ull ulr uls ulu ulv ur- urc urd ure uri url urr urs uru usc usd use usi usl usr uss usu usv uuc uue uur uus uuu uvc uve uvl uvs uvu uvv v-e vcc vcd vce vci vcl vcr vcs vcu vdc vdd vde vdi vdl vdr vds vdu vdv vec ved vee vei vel ver ves veu vi- vic vid vie vii vil vir vis viu viv vl- vlc vld vle vll vls vlv vrc vrd vre vri vrr vrs vru vsc vsd vse vsi vsl vsr vss vsu vsv vue vul vur vus vuv vvc vvi vvr vvs vvv