-er -ic c-- ccc ccd cce cci cco ccp ccr cct ccv cdc cdd cde cdi cdo cdp cdr cdt cdv ce- cec ced cee cei ceo cep cer cet cev ci- cic cid cie cii cio cip cir cit civ co- coc cod coe coi coo cop cor cot cov cpc cpd cpe cpi cpo cpp cpr cpt cpv crc crd cre cri cro crp crr crt crv ctc ctd cte cti cto ctp ctr ctt ctv cvc cvd cve cvi cvo cvp cvr cvt cvv dcc dcd dce dci dco dcp dcr dct dcv ddc ddd dde ddi ddo ddp ddr ddt de- dec ded dee dei deo dep der det dev di- dic did die dii dio dip dir dit div doc dod doe doi doo dop dor dot dov dpc dpd dpe dpi dpo dpp dpr dpt dpv drc drd dre dri dro drp drr drt drv dtc dtd dte dti dto dtp dtr dtt dtv dvc dvd dve dvi dvp dvr dvt ec- ecc ecd ece eci eco ecr ect ecv ed- edc edd ede edi edo edp edr edt eec eed eee eeo eep eer eet eev eic eid eie eii eio eip eir eit eiv eo- eoc eod eoe eoi eoo eop eor eot ep- epc epd epe epi epo epp epr ept erc erd ere eri ero erp err ert erv etc etd ete eti eto etp etr ett etv evc evd eve evi evo evp evr evt evv i-d i-v icc icd ice ici ico icp icr ict icv idc idd ide idi ido idp idr idt idv ie- iec ied iee iei iep ier iet iev iic iid iie iii iio iip iir iit io- ioc iod ioe ioi ioo iop ior iot iov ipc ipd ipe ipi ipo ipp ipr ipt ipv ir- irc ird ire iri iro irp irr irt irv itc itd ite iti ito itp itt itv ivc ivd ive ivi ivo ivp ivr ivt ivv o-i oc- occ ocd oci oco ocp ocr oct ocv odc odd ode odi odo odp odr odt odv oec oed oee oei oeo oep oer oet oic oid oie oii oio oip oir oit oiv oo- ooc ood ooi ooo oop oor oot oov op- opc opd ope opi opo opp opr opt opv or- orc ord ore ori oro orp orr ort orv ot- otc otd ote oti oto otp otr ott otv ov- ovc ovd ove ovi ovo ovp ovv p-p pcc pcd pce pci pco pcp pcr pct pcv pdc pdd pde pdi pdo pdp pdr pdt pdv pec ped pee pei peo pep per pet pev pic pid pie pii pio pip pir pit piv poc pod poe poi poo pop por pot pov ppc ppd ppe ppi ppo ppp ppr ppt ppv prc prd pre pri pro prp prr prt prv pt- ptc ptd pte pti pto ptp ptr ptt ptv pvc pvd pve pvi pvo pvp pvr pvt pvv rcc rcd rce rci rco rcp rcr rct rcv rdc rdd rde rdi rdo rdp rdr rdt rdv re- rec red ree rei reo rep rer ret rev ric rid rie rii rio rip rir rit riv roc rod roe roi roo rop ror rot rov rpc rpd rpe rpi rpo rpp rpr rpt rpv rrc rrd rri rrp rrr rrt rtc rtd rte rti rto rtp rtr rtt rtv rvc rvd rve rvi rvo rvp rvr rvt rvv tcc tcd tce tci tco tcp tcr tct tcv tdc tdd tde tdi tdo tdp tdr tdt tdv te- tec ted tee tei teo tep ter tet tev tic tid tie tii tio tip tir tit tiv to- toc tod toe toi too top tor tot tov tpc tpd tpe tpi tpo tpp tpr tpt tpv trc trd tre tri tro trp trr trt trv ttc ttd tte tti tto ttp ttr ttt ttv tvc tvd tve tvi tvo tvp tvr tvt v-e vcc vcd vce vci vco vcp vcr vct vdc vdd vde vdi vdo vdp vdr vdt vdv vec ved vee vei veo vep ver vet vi- vic vid vie vii vio vip vir vit viv voc vod voe voi voo vop vor vot vov vpc vpd vpe vpi vpo vpp vpr vpt vrc vrd vre vri vrp vrr vrt vtc vte vti vto vtr vtt vtv vvc vvi vvo vvr vvt vvv