-er -ic c-- ccc ccd cce ccf cci ccn cco ccr ccu cdc cdd cde cdf cdi cdn cdo cdr cdu ce- cec ced cee cef cei cen ceo cer ceu cfc cfd cfe cff cfi cfn cfo cfr cfu ci- cic cid cie cif cii cin cio cir ciu cn- cnc cnd cne cnf cni cnn cno cnr cnu co- coc cod coe cof coi con coo cor cou crc crd cre crf cri crn cro crr cru cuc cud cue cuf cui cun cuo cur cuu dcc dcd dce dcf dci dcn dco dcr dcu ddc ddd dde ddf ddi ddn ddo ddr ddu de- dec ded dee def dei den deo der deu dfc dfd dfe dff dfi dfn dfo dfr dfu di- dic did die dif dii din dio dir diu dnc dnd dne dnf dni dnn dno dnr doc dod doe dof doi don doo dor dou drc drd dre dri drn dro drr dru duc dud due duf dui dun duo dur ec- ecc ecd ece ecf eci ecn eco ecr ecu ed- edc edd ede edf edi edn edo edr edu eec eed eee eef een eeo eer ef- efc efd efe eff efi efo efr eic eid eie eif eii ein eio eir eiu en- enc end ene enf eni enn eno enr enu eo- eoc eod eoe eof eoi eon eoo eor eou erc erd ere erf eri ern ero err eru eu- euc eud eue euf eui eun eur fcc fcd fce fcf fci fcn fco fcr fcu fdc fdd fde fdf fdi fdn fdo fdr fdu fec fed fee fef fei fen feo fer feu ffc ffd ffe fff ffi ffn ffo ffr ffu fic fid fie fif fii fin fir fiu fnc fnd fne fnf fni fnn fnr fnu foc foe fof foi fon foo for fou frc frd fre frf fri frn fro frr fru fud fue fuf fui fun fuo fur fuu i-d i-f icc icd ice icf ici icn ico icr icu idc idd ide idf idi idn ido idr idu ie- iec ied iee ief iei ien ier ifc ifd ife iff ifi ifn ifo ifr ifu iic iid iie iif iii iin iio iir iiu in- inc ind ine inf ini inn ino inr inu io- ioc iod ioe iof ioi ion ioo ior iou ir- irc ird ire irf iri irn iro irr iru iu- iuc iud iue iui iur n-i ncc ncd nce ncf nci ncn nco ncr ncu ndc ndd nde ndf ndi ndn ndo ndr ndu ne- nec ned nee nef nei nen neo ner neu nfc nfd nfe nff nfi nfn nfo nfr nfu nic nid nie nif nii nin nio nir niu nnc nne nnf nni nnn nno nnu no- noc nod noe nof noi non noo nor nou nrc nrd nre nrf nri nrn nro nrr nru nuc nud nue nui nun nuo nur nuu o-i oc- occ ocd ocf oci ocn oco ocr ocu odc odd ode odf odi odn odo odr odu oec oed oee oef oei oen oeo oer of- ofc ofd ofe off ofi ofn ofo ofr ofu oic oid oie oif oii oin oio oir oiu on- onc ond one onf oni onn ono onr onu oo- ooc ood oof ooi oon ooo oor or- orc ord ore orf ori orn oro orr oru ou- ouc oud oue ouf oui oun ouo our rcc rcd rce rcf rci rcn rco rcr rcu rdc rdd rde rdf rdi rdn rdo rdr rdu re- rec red ree ref rei ren reo rer reu rfc rfd rfe rff rfi rfn rfo rfr rfu ric rid rie rif rii rin rio rir rnc rnd rni rnn rno rnr rnu roc rod roe rof roi ron roo ror rou rrc rrd rrf rri rrn rrr rru ruc rud rue ruf rui run ruo rur ruu ucc ucd uce ucf uci ucn uco ucr ucu udc udd ude udf udi udn udo udr udu uec ued uee uef uei uen uer ufc ufd ufe uff ufi ufn ufo ufr ufu uic uid uie uif uii uin uio uir uiu un- unc und une unf uni unn uno unr unu uoc uod uoe uon uoo uor ur- urc urd ure urf uri urn uro urr uru uuc uue uun uur uuu