-er -ic -ol c-- ccc ccd cce cci ccl cco ccr ccs ccu cdc cdd cde cdi cdl cdo cdr cds cdu ce- cec ced cee cei cel ceo cer ces ceu ci- cic cid cie cii cil cio cir cis ciu cl- clc cld cle cli cll clo clr cls clu co- coc cod coe coi col coo cor cos cou crc crd cre cri crl cro crr crs cru csc csd cse csi csl cso csr css csu cuc cud cue cui cul cuo cur cus cuu dcc dcd dce dci dcl dco dcr dcs dcu ddc ddd dde ddi ddl ddo ddr dds ddu de- dec ded dee dei del deo der des deu di- dic did die dii dil dio dir dis diu dl- dlc dld dle dli dll dlo dlr dls dlu doc dod doe doi dol doo dor dos dou drc drd dre dri drl dro drr drs dru dsc dsd dse dsi dsl dso dsr dss dsu duc dud due dui dul duo dur dus ec- ecc ecd ece eci ecl eco ecr ecs ecu ed- edc edd ede edi edl edo edr eds edu eec eed eee eel eeo eer ees eic eid eie eii eil eio eir eis eiu elc eld ele eli ell elo elr els elu eo- eoc eod eoe eoi eol eoo eor eos eou erc erd ere eri erl ero err ers eru es- esc esd ese esi esl eso esr ess esu eu- euc eud eue eui eul eur eus i-d icc icd ice ici icl ico icr ics icu idc idd ide idi idl ido idr ids idu ie- iec ied iee iei iel ier ies iic iid iie iii iil iio iir iis iiu il- ilc ild ile ili ill ilo ilr ils ilu io- ioc iod ioe ioi iol ioo ior ios iou ir- irc ird ire iri irl iro irr irs iru is- isc isd ise isi isl iso isr iss isu iu- iuc iud iue iui iur ius lcc lcd lce lci lcl lco lcr lcs lcu ldc ldd lde ldi ldl ldo ldr lds ldu lec led lee lei lel leo ler les leu lic lid lie lii lil lio lir lis liu llc lld lle lli lll llo llr lls llu loc lod loe loi lol loo lor los lou lrc lrd lri lro lrr lrs lru lsc lsd lse lsi lsl lso lsr lss lsu luc lud lue lui lul luo lur lus luu o-i oc- occ ocd oci ocl oco ocr ocs ocu odc odd ode odi odl odo odr ods odu oec oed oee oei oel oeo oer oes oic oid oie oii oil oio oir ois oiu olc old ole oli oll olo ols olu oo- ooc ood ooi ool ooo oor oos or- orc ord ore ori orl oro orr ors oru os- osc osd ose osi osl oso osr oss osu ou- ouc oud oue oui oul ouo our ous rcc rcd rce rci rcl rco rcr rcs rcu rdc rdd rde rdi rdl rdo rdr rds rdu re- rec red ree rei rel reo rer res reu ric rid rie rii ril rio rir ris rlc rld rle rli rll rlo rlr rls rlu roc rod roe roi rol roo ror ros rou rrc rrd rri rrl rrr rrs rru rsc rsd rse rsi rsl rso rsr rss rsu ruc rud rue rui ruo rur rus ruu scc scd sce sci scl sco scr scs scu sdc sdd sde sdi sdl sdo sdr sds sdu se- sec sed see sei sel seo ser ses seu sic sid sie sii sil sio sir sis siu slc sld sle sli sll slo slr sls slu soc sod soe soi sol soo sor sos sou sr- src srd sre sri srl sro srr srs ss- ssc ssd sse ssi ssl sso ssr sss ssu suc sud sue sui sul suo sur sus suu ucc ucd uce uci ucl uco ucr ucs ucu udc udd ude udi udl udo udr uds udu uec ued uee uei uel uer ues uic uid uie uii uil uio uir uis uiu ulc uld ule uli ull ulo ulr uls ulu uoc uod uoe uol uoo uor uos ur- urc urd ure uri url uro urr urs uru usc usd use usi usl uso usr uss usu uuc uue uur uus uuu