-er c-- c-j ccc cce cch ccj cck ccn cco ccr ce- cec cee ceh cej cek cen ceo cer ch- chc che chh chk chn cho chr cjc cjk cjr ckc ckh cko cn- cnc cne cnh cnj cnn cno cnr co- coc coe coh coj cok con coo cor crc cre crh crj crk crn cro crr ec- ecc ece ech ecj eck ecn eco ecr eec eee eek een eeo eer ehc ehe ehh ehn eho ehr ejc ejo ekc eke ekh eko ekr en- enc ene enh enk enn eno enr eo- eoc eoe eoh eok eon eoo eor erc ere erh erk ern ero err hcc hce hch hcj hck hcn hco hcr he- hec hee heh hej hek hen heo her hhc hhe hhh hhj hhk hhn hho hhr hjk hjn hjo hjr hkh hkk hkn hko hkr hnc hne hnh hnj hnk hnn hno hoc hoe hoh hok hon hoo hor hr- hrc hre hrh hrj hrk hrn hro hrr jcc jce jch jck jco jcr jec jee jeh jej jek jen jeo jer jhc jhe jhj jhn jho jhr jjc jjj jjk jjr jkh jkk jkn jko jkr jnc jne jnh jnj jnn jno jnr joc joe joh joj jok jon joo jor jrc jrk jrn jro jrr kcc kce kch kck kcn kcr ke- kec kee keh kek ken keo ker khe khh khj khk khn kho khr kjc kje kjr kkc kke kkh kkk kkn kkr kn- knc kne knk knn kno knr koc koe koh kok kon koo kor krc krk krn kro krr ncc nce nch nck ncn nco ncr ne- nec nee neh nej nek nen neo ner nhc nhe nhh nhj nhk nhn nhr njc nje njk njn nkc nke nkj nkk nkn nko nkr nnc nne nnh nnk nnn nno no- noc noe noh noj nok non noo nor nrc nre nrj nrk nrn nro nrr oc- occ och ocj ock ocn oco ocr oec oee oeh oen oeo oer ohc ohe ohh ohn oho ohr ojc oje ojo okc oke okj okk oko okr on- onc one onh onj onk onn ono onr oo- ooc ooh ook oon ooo oor or- orc ore orh ork orn oro orr rcc rce rch rcj rcn rco rcr re- rec ree reh rek ren reo rer rh- rhc rhe rhh rhn rho rhr rjc rjk rjr rkc rke rkk rko rnc rnh rnn rno rnr roc roe roh roj rok ron roo ror rrc rrh rrk rrn rrr