-er -ic c-- ccc ccd cce cch cci cck ccn cco ccr cdc cdd cde cdh cdi cdk cdn cdo cdr ce- cec ced cee ceh cei cek cen ceo cer ch- chc chd che chh chi chk chn cho chr ci- cic cid cie cih cii cik cin cio cir ckc ckd ckh cki cko cn- cnc cnd cne cnh cni cnn cno cnr co- coc cod coe coh coi cok con coo cor crc crd cre crh cri crk crn cro crr dcc dcd dce dci dck dcn dco dcr ddc ddd dde ddh ddi ddk ddn ddo ddr de- dec ded dee deh dei dek den deo der dh- dhc dhd dhe dhh dhi dhk dho dhr di- dic did die dih dii dik din dio dir dkc dke dki dkk dko dkr dnc dnd dne dnh dni dnk dnn dno dnr doc dod doe doh doi dok don doo dor drc drd dre dri drk drn dro drr ec- ecc ecd ece ech eci eck ecn eco ecr ed- edc edd ede edh edi edk edn edo edr eec eed eee eek een eeo eer ehc ehd ehe ehh ehi ehn eho ehr eic eid eie eii eik ein eio eir ekc ekd eke ekh eki eko ekr en- enc end ene enh eni enk enn eno enr eo- eoc eod eoe eoh eoi eok eon eoo eor erc erd ere erh eri erk ern ero err h-i hcc hcd hce hch hci hck hcn hco hcr hdc hdd hde hdh hdi hdk hdn hdo hdr he- hec hed hee heh hei hek hen heo her hhc hhd hhe hhh hhi hhk hhn hho hhr hic hid hie hih hii hik hin hio hir hkd hkh hki hkk hkn hko hkr hnc hnd hne hnh hnk hnn hno hoc hod hoe hoh hoi hok hon hoo hor hr- hrc hrd hre hrh hri hrk hrn hro hrr i-d icc icd ice ich ici ick icn ico icr idc idd ide idh idi idk idn ido idr ie- iec ied iee iei iek ien ier ihc ihd ihe ihh ihi ihk ihn iho ihr iic iid iie iih iii iin iio iir ikc ike iki ikk iko ikr in- inc ind ine inh ini ink inn ino inr io- ioc iod ioe ioh ioi ion ioo ior ir- irc ird ire iri irk irn iro irr kcc kcd kce kch kci kck kcn kcr kdc kde kdh kdk kdo kdr ke- kec ked kee keh kei kek ken keo ker khe khh khi khk khn kho khr kic kid kie kih kii kik kin kio kir kkc kke kkh kki kkk kkn kkr kn- knc knd kne kni knk knn kno knr koc kod koe koh koi kok kon koo kor krc krd kri krk krn kro krr n-i ncc ncd nce nch nci nck ncn nco ncr ndc ndd nde ndh ndi ndk ndn ndo ndr ne- nec ned nee neh nei nek nen neo ner nhc nhd nhe nhh nhi nhk nhn nhr nic nid nie nih nii nik nin nio nir nkc nke nki nkk nkn nko nkr nnc nne nnh nni nnk nnn nno no- noc nod noe noh noi nok non noo nor nrc nrd nre nri nrk nrn nro nrr o-i oc- occ ocd och oci ock ocn oco ocr odc odd ode odh odi odn odo odr oec oed oee oeh oei oen oeo oer ohc ohd ohe ohh ohi ohn oho ohr oic oid oie oii oik oin oio oir okc okd oke oki okk oko okr on- onc ond one onh oni onk onn ono onr oo- ooc ood ooh ooi ook oon ooo oor or- orc ord ore orh ori ork orn oro orr rcc rcd rce rch rci rcn rco rcr rdc rdd rde rdh rdi rdn rdo rdr re- rec red ree reh rei rek ren reo rer rh- rhc rhd rhe rhh rhi rhn rho rhr ric rid rie rih rii rik rin rio rir rkc rke rkk rko rnc rnd rnh rni rnn rno rnr roc rod roe roh roi rok ron roo ror rrc rrd rrh rri rrk rrn rrr