-er -ic -up c-- ccc ccd cce cci ccl ccp ccr ccs ccu cdc cdd cde cdi cdl cdp cdr cds cdu ce- cec ced cee cei cel cep cer ces ceu ci- cic cid cie cii cil cip cir cis ciu cl- clc cld cle cli cll clp clr cls clu cpc cpd cpe cpi cpl cpp cpr cps cpu crc crd cre cri crl crp crr crs cru csc csd cse csi csl csp csr css csu cuc cud cue cui cul cup cur cus cuu dcc dcd dce dci dcl dcp dcr dcs dcu ddc ddd dde ddi ddl ddp ddr dds ddu de- dec ded dee dei del dep der des deu di- dic did die dii dil dip dir dis diu dl- dlc dld dle dli dll dlp dlr dls dlu dpc dpd dpe dpi dpl dpp dpr dps dpu drc drd dre dri drl drp drr drs dru dsc dsd dse dsi dsl dsp dsr dss dsu duc dud due dui dul dup dur dus ec- ecc ecd ece eci ecl ecr ecs ecu ed- edc edd ede edi edl edp edr eds edu eec eed eee eel eep eer ees eic eid eie eii eil eip eir eis eiu elc eld ele eli ell elp elr els elu ep- epc epd epe epi epl epp epr eps epu erc erd ere eri erl erp err ers eru es- esc esd ese esi esl esp esr ess esu eu- euc eud eue eui eul eup eur eus i-d icc icd ice ici icl icp icr ics icu idc idd ide idi idl idp idr ids idu ie- iec ied iee iei iel iep ier ies iic iid iie iii iil iip iir iis iiu il- ilc ild ile ili ill ilp ilr ils ilu ipc ipd ipe ipi ipl ipp ipr ips ipu ir- irc ird ire iri irl irp irr irs iru is- isc isd ise isi isl isp isr iss isu iu- iuc iud iue iui iup iur ius l-p lcc lcd lce lci lcl lcp lcr lcs lcu ldc ldd lde ldi ldl ldp ldr lds ldu lec led lee lei lel lep ler les leu lic lid lie lii lil lip lir lis liu llc lld lle lli lll llp llr lls llu lpc lpd lpe lpi lpl lpp lpr lps lpu lrc lrd lri lrp lrr lrs lru lsc lsd lse lsi lsl lsp lsr lss lsu luc lud lue lui lul lup lur lus luu p-p pcc pcd pce pci pcl pcp pcr pcs pcu pdc pdd pde pdi pdl pdp pdr pds pdu pec ped pee pei pel pep per pes peu pic pid pie pii pil pip pir pis piu plc pld ple pli pll plp plr pls plu ppc ppd ppe ppi ppl ppp ppr pps ppu prc prd pre pri prl prp prr prs pru ps- psc psd pse psi psl psp psr pss psu puc pud pue pui pul pup pur pus puu rcc rcd rce rci rcl rcp rcr rcs rcu rdc rdd rde rdi rdl rdp rdr rds rdu re- rec red ree rei rel rep rer res reu ric rid rie rii ril rip rir ris rlc rld rle rli rll rlp rlr rls rlu rpc rpd rpe rpi rpl rpp rpr rps rpu rrc rrd rri rrl rrp rrr rrs rru rsc rsd rse rsi rsl rsp rsr rss rsu ruc rud rue rui rup rur rus ruu scc scd sce sci scl scp scr scs scu sdc sdd sde sdi sdl sdp sdr sds sdu se- sec sed see sei sel sep ser ses seu sic sid sie sii sil sip sir sis siu slc sld sle sli sll slp slr sls slu spc spd spe spi spl spp spr sps spu sr- src srd sre sri srl srp srr srs ss- ssc ssd sse ssi ssl ssp ssr sss ssu suc sud sue sui sul sup sur sus suu ucc ucd uce uci ucl ucp ucr ucs ucu udc udd ude udi udl udp udr uds udu uec ued uee uei uel uep uer ues uic uid uie uii uil uip uir uis uiu ulc uld ule uli ull ulp ulr uls ulu up- upc upd upe upi upp upr ups upu ur- urc urd ure uri url urp urr urs uru usc usd use usi usl usp usr uss usu uuc uue uur uus uuu