rcv re- rea rec ree ref rei ren reo rep rer ret rev rfa rfc rfe rff rfi rfn rfo rfp rfr rft rfv ria ric rie rif rii rin rio rip rir rit riv rna rnc rni rnn rno rnp rnr rnt rnv roa roc roe rof roi ron roo rop ror rot rov rpa rpc rpe rpf rpi rpn rpo rpp rpr rpt rpv rra rrc rrf rri rrn rrp rrr rrt rta rtc rte rtf rti rtn rto rtp rtr rtt rtv rva rvc rve rvf rvi rvn rvo rvp rvr rvt rvv taa tac tae taf tai tan tao tap tar tat tav tca tcc tce tcf tci tcn tco tcp tcr tct tcv te- tea tec tee tef tei ten teo tep ter tet tev tfa tfc tfe tff tfi tfn tfo tfp tfr tft tia tic tie tif tii tin tio tip tir tit tiv tna tnc tne tnf tni tnn tno tnp tnr tnt to- toa toc toe tof toi ton too top tor tot tov tpa tpc tpe tpf tpi tpn tpo tpp tpr tpt tpv tra trc tre trf tri trn tro trp trr trt trv tta ttc tte ttf tti ttn tto ttp ttr ttt ttv tva tvc tve tvf tvi tvn tvo tvp tvr tvt v-a v-e vaa vac vae vai van vao vap var vat vav vca vcc vce vcf vci vcn vco vcp vcr vct vea vec vee vef vei ven veo vep ver vet vfa vfc vff vfi vfn vfp vfr vft vfv vi- via vic vie vif vii vin vio vip vir vit viv vn- vna vnf vni vno vnp vnr vnv voa voc voe vof voi von voo vop vor vot vov vpa vpc vpe vpf vpi vpn vpo vpp vpr vpt vra vrc vre vrf vri vrn vrp vrr vrt vta vtc vte vti vto vtr vtt vtv vva vvc vvi vvo vvr vvt vvv