-er -ic -up c-- ccc cce cci cco ccp ccr cct ccu ccv ce- cec cee cei ceo cep cer cet ceu cev ci- cic cie cii cio cip cir cit ciu civ co- coc coe coi coo cop cor cot cou cov cpc cpe cpi cpo cpp cpr cpt cpu cpv crc cre cri cro crp crr crt cru crv ctc cte cti cto ctp ctr ctt ctu ctv cuc cue cui cuo cup cur cut cuu cuv cvc cve cvi cvo cvp cvr cvt cvu cvv ec- ecc ece eci eco ecr ect ecu ecv eec eee eeo eep eer eet eev eic eie eii eio eip eir eit eiu eiv 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 erv etc ete eti eto etp etr ett etu etv eu- euc eue eui eup eur eut euv evc eve evi evo evp evr evt evv i-v icc ice ici ico icp icr ict icu icv ie- iec iee iei iep ier iet iev iic iie iii iio iip iir iit iiu io- ioc ioe ioi ioo iop ior iot iou iov ipc ipe ipi ipo ipp ipr ipt ipu ipv ir- irc ire iri iro irp irr irt iru irv itc ite iti ito itp itt itu itv iu- iuc iue iui iup iur iut ivc ive ivi ivo ivp ivr ivt ivu ivv o-i oc- occ oci oco ocp ocr oct ocu ocv oec oee oei oeo oep oer oet oic oie oii oio oip oir oit oiu oiv oo- ooc ooi ooo oop oor oot oov op- opc ope opi opo opp opr opt opv or- orc ore ori oro orp orr ort oru orv ot- otc ote oti oto otp otr ott otu otv ou- ouc oue oui ouo oup our out ov- ovc ove ovi ovo ovp ovv p-p pcc pce pci pco pcp pcr pct pcu pcv pec pee pei peo pep per pet peu pev pic pie pii pio pip pir pit piu piv poc poe poi poo pop por pot pou pov ppc ppe ppi ppo ppp ppr ppt ppu ppv prc pre pri pro prp prr prt pru prv pt- ptc pte pti pto ptp ptr ptt ptu ptv puc pue pui pup pur put puu pvc pve pvi pvo pvp pvr pvt pvu pvv rcc rce rci rco rcp rcr rct rcu rcv re- rec ree rei reo rep rer ret reu rev ric rie rii rio rip rir rit riv roc roe roi roo rop ror rot rou rov rpc rpe rpi rpo rpp rpr rpt rpu rpv rrc rri rrp rrr rrt rru rtc rte rti rto rtp rtr rtt rtu rtv ruc rue rui ruo rup rur rut ruu ruv rvc rve rvi rvo rvp rvr rvt rvu rvv tcc tce tci tco tcp tcr tct tcu tcv te- tec tee tei teo tep ter tet teu tev tic tie tii tio tip tir tit tiu tiv to- toc toe toi too top tor tot tou tov tpc tpe tpi tpo tpp tpr tpt tpu tpv trc tre tri tro trp trr trt tru trv ttc tte tti tto ttp ttr ttt ttu ttv tuc tue tui tuo tup tur tut tuu tuv tvc tve tvi tvo tvp tvr tvt tvu ucc uce uci uco ucp ucr uct ucu ucv 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 upv ur- urc ure uri uro urp urr urt uru utc ute uti uto utp utr utt utu utv uuc uue uur uut uuu uvc uve uvo uvu uvv v-e vcc vce vci vco vcp vcr vct vcu vec vee vei veo vep ver vet veu vi- vic vie vii vio vip vir vit viu viv voc voe voi voo vop vor vot vou vov vpc vpe vpi vpo vpp vpr vpt vpu vrc vre vri vrp vrr vrt vru vtc vte vti vto vtr vtt vtu vtv vue vup vur vut vuv vvc vvi vvo vvr vvt vvv