-er -ic -ji c-- c-j ccc ccd cce cci ccj ccr ccs ccu cdc cdd cde cdi cdj cdr cds cdu ce- cec ced cee cei cej cer ces ceu ci- cic cid cie cii cij cir cis ciu cjc cjd cjr cjs crc crd cre cri crj crr crs cru csc csd cse csi csj csr css csu cuc cud cue cui cur cus cuu dcc dcd dce dci dcr dcs dcu ddc ddd dde ddi ddr dds ddu de- dec ded dee dei dej der des deu di- dic did die dii dir dis diu dj- djc djd dje dji djs drc drd dre dri drj drr drs dru dsc dsd dse dsi dsj dsr dss dsu duc dud due dui dur dus ec- ecc ecd ece eci ecj ecr ecs ecu ed- edc edd ede edi edj edr eds edu eec eed eee eer ees eic eid eie eii eij eir eis eiu ejc ejd eji eju erc erd ere eri err ers eru es- esc esd ese esi esr ess esu eu- euc eud eue eui euj eur eus i-d icc icd ice ici icj icr ics icu idc idd ide idi idr ids idu ie- iec ied iee iei iej ier ies iic iid iie iii iij iir iis iiu ijc ije iji ijs iju ir- irc ird ire iri irj irr irs iru is- isc isd ise isi isj isr iss isu iu- iuc iud iue iui iur ius j-d j-i jcc jcd jce jci jcr jcs jcu jdc jde jdi jdr jds jec jed jee jei jej jer jes jeu jic jie jii jij jir jis jiu jjc jjj jjr jjs jju jrc jri jrr jrs jsc jsd jse jsi jsj jsr jss jsu jud jue jui jur jus rcc rcd rce rci rcj rcr rcs rcu rdc rdd rde rdi rdj rdr rds rdu re- rec red ree rei rer res reu ric rid rie rii rir ris rjc rjr rrc rrd rri rrr rrs rru rsc rsd rse rsi rsj rsr rss rsu ruc rud rue rui rur rus ruu scc scd sce sci scj scr scs scu sdc sdd sde sdi sdj sdr sds sdu se- sec sed see sei sej ser ses seu sic sid sie sii sij sir sis siu sjc sjd sje sji sjj sjr sjs sju sr- src srd sre sri srj srr srs ss- ssc ssd sse ssi ssj ssr sss ssu suc sud sue sui sur sus suu ucc ucd uce uci ucj ucr ucs ucu udc udd ude udi udj udr uds udu uec ued uee uei uer ues uic uid uie uii uir uis uiu ujc uji ujs ur- urc urd ure uri urr urs uru usc usd use usi usj usr uss usu uuc uue uur uus uuu