-er -ic c-- ccc ccd cce cci ccn cco ccr ccs ccu cdc cdd cde cdi cdn cdo cdr cds cdu ce- cec ced cee cei cen ceo cer ces ceu ci- cic cid cie cii cin cio cir cis ciu cn- cnc cnd cne cni cnn cno cnr cns cnu co- coc cod coe coi con coo cor cos cou crc crd cre cri crn cro crr crs cru csc csd cse csi csn cso csr css csu cuc cud cue cui cun cuo cur cus cuu dcc dcd dce dci dcn dco dcr dcs dcu ddc ddd dde ddi ddn ddo ddr dds ddu de- dec ded dee dei den deo der des deu di- dic did die dii din dio dir dis diu dnc dnd dne dni dnn dno dnr dns doc dod doe doi don doo dor dos dou drc drd dre dri drn dro drr drs dru dsc dsd dse dsi dsn dso dsr dss dsu duc dud due dui dun duo dur dus ec- ecc ecd ece eci ecn eco ecr ecs ecu ed- edc edd ede edi edn edo edr eds edu eec eed eee een eeo eer ees eic eid eie eii ein eio eir eis eiu en- enc end ene eni enn eno enr ens enu eo- eoc eod eoe eoi eon eoo eor eos eou erc erd ere eri ern ero err ers eru es- esc esd ese esi esn eso esr ess esu eu- euc eud eue eui eun eur eus i-d icc icd ice ici icn ico icr ics icu idc idd ide idi idn ido idr ids idu ie- iec ied iee iei ien ier ies iic iid iie iii iin iio iir iis iiu in- inc ind ine ini inn ino inr ins inu io- ioc iod ioe ioi ion ioo ior ios iou ir- irc ird ire iri irn iro irr irs iru is- isc isd ise isi isn iso isr iss isu iu- iuc iud iue iui iur ius n-i ncc ncd nce nci ncn nco ncr ncs ncu ndc ndd nde ndi ndn ndo ndr nds ndu ne- nec ned nee nei nen neo ner nes neu nic nid nie nii nin nio nir nis niu nnc nne nni nnn nno nns nnu no- noc nod noe noi non noo nor nos nou nrc nrd nre nri nrn nro nrr nrs nru nsc nsd nse nsi nsn nso nsr nss nsu nuc nud nue nui nun nuo nur nus nuu o-i oc- occ ocd oci ocn oco ocr ocs ocu odc odd ode odi odn odo odr ods odu oec oed oee oei oen oeo oer oes oic oid oie oii oin oio oir ois oiu on- onc ond one oni onn ono onr ons onu oo- ooc ood ooi oon ooo oor oos or- orc ord ore ori orn oro orr ors oru os- osc osd ose osi osn oso osr oss osu ou- ouc oud oue oui oun ouo our ous rcc rcd rce rci rcn rco rcr rcs rcu rdc rdd rde rdi rdn rdo rdr rds rdu re- rec red ree rei ren reo rer res reu ric rid rie rii rin rio rir ris rnc rnd rni rnn rno rnr rns rnu roc rod roe roi ron roo ror ros rou rrc rrd rri rrn rrr rrs rru rsc rsd rse rsi rsn rso rsr rss rsu ruc rud rue rui run ruo rur rus ruu scc scd sce sci scn sco scr scs scu sdc sdd sde sdi sdn sdo sdr sds sdu se- sec sed see sei sen seo ser ses seu sic sid sie sii sin sio sir sis siu snc snd sne sni snn sno snr sns snu soc sod soe soi son soo sor sos sou sr- src srd sre sri srn sro srr srs ss- ssc ssd sse ssi ssn sso ssr sss ssu suc sud sue sui sun suo sur sus suu ucc ucd uce uci ucn uco ucr ucs ucu udc udd ude udi udn udo udr uds udu uec ued uee uei uen uer ues uic uid uie uii uin uio uir uis uiu un- unc und une uni unn uno unr uns unu uoc uod uoe uon uoo uor uos ur- urc urd ure uri urn uro urr urs uru usc usd use usi usn uso usr uss usu uuc uue uun uur uus uuu