-er -ic -up c-- ccc cce cci cco ccp ccr cct ccu ce- cec cee cei ceo cep cer cet ceu ci- cic cie cii cio cip cir cit ciu co- coc coe coi coo cop cor cot cou cpc cpe cpi cpo cpp cpr cpt cpu crc cre cri cro crp crr crt cru ctc cte cti cto ctp ctr ctt ctu cuc cue cui cuo cup cur cut cuu ec- ecc ece eci eco ecr ect ecu eec eee eeo eep eer eet eic eie eii eio eip eir eit eiu eo- eoc eoe eoi eoo eop eor eot eou ep- epc epe epi epo epp epr ept epu erc ere eri ero erp err ert eru etc ete eti eto etp etr ett etu eu- euc eue eui eup eur eut icc ice ici ico icp icr ict icu ie- iec iee iei iep ier iet iic iie iii iio iip iir iit iiu io- ioc ioe ioi ioo iop ior iot iou ipc ipe ipi ipo ipp ipr ipt ipu ir- irc ire iri iro irp irr irt iru itc ite iti ito itp itt itu iu- iuc iue iui iup iur iut o-i oc- occ oci oco ocp ocr oct ocu oec oee oei oeo oep oer oet oic oie oii oio oip oir oit oiu oo- ooc ooi ooo oop oor oot op- opc ope opi opo opp opr opt or- orc ore ori oro orp orr ort oru ot- otc ote oti oto otp otr ott otu ou- ouc oue oui ouo oup our out p-p pcc pce pci pco pcp pcr pct pcu pec pee pei peo pep per pet peu pic pie pii pio pip pir pit piu poc poe poi poo pop por pot pou ppc ppe ppi ppo ppp ppr ppt ppu prc pre pri pro prp prr prt pru pt- ptc pte pti pto ptp ptr ptt ptu puc pue pui pup pur put puu rcc rce rci rco rcp rcr rct rcu re- rec ree rei reo rep rer ret reu ric rie rii rio rip rir rit roc roe roi roo rop ror rot rou rpc rpe rpi rpo rpp rpr rpt rpu rrc rri rrp rrr rrt rru rtc rte rti rto rtp rtr rtt rtu ruc rue rui ruo rup rur rut ruu tcc tce tci tco tcp tcr tct tcu te- tec tee tei teo tep ter tet teu tic tie tii tio tip tir tit tiu to- toc toe toi too top tor tot tou tpc tpe tpi tpo tpp tpr tpt tpu trc tre tri tro trp trr trt tru ttc tte tti tto ttp ttr ttt ttu tuc tue tui tuo tup tur tut tuu ucc uce uci uco ucp ucr uct ucu uec uee uei uep uer uet uic uie uii uio uip uir uit uiu uoc uoe uoo uop uor uot up- upc upe upi upo upp upr upt upu ur- urc ure uri uro urp urr urt uru utc ute uti uto utp utr utt utu uuc uue uur uut uuu