rci rcn rco rcr rct rcv re- rea reb rec ree ref rei ren reo rer ret rev rfa rfb rfc rfe rff rfi rfn rfo rfr rft rfv ria rib ric rie rif rii rin rio rir rit riv rna rnb rnc rni rnn rno rnr rnt rnv roa rob roc roe rof roi ron roo ror rot rov rra rrb rrc rrf rri rrn rrr rrt rta rtb rtc rte rtf rti rtn rto rtr rtt rtv rva rvb rvc rve rvf rvi rvn rvo rvr rvt rvv taa tab tac tae taf tai tan tao tar tat tav tba tbb tbc tbe tbf tbi tbn tbo tbr tbt tbv tca tcb tcc tce tcf tci tcn tco tcr tct tcv te- tea teb tec tee tef tei ten teo ter tet tev tfa tfb tfc tfe tff tfi tfn tfo tfr tft tia tib tic tie tif tii tin tio tir tit tiv tna tnb tnc tne tnf tni tnn tno tnr tnt to- toa tob toc toe tof toi ton too tor tot tov tra trb trc tre trf tri trn tro trr trt trv tta ttb ttc tte ttf tti ttn tto ttr ttt ttv tva tvb tvc tve tvf tvi tvn tvo tvr tvt v-a v-e vaa vab vac vae vai van vao var vat vav vba vbc vbi vbo vbr vbv vca vcc vce vcf vci vcn vco vcr vct vea veb vec vee vef vei ven veo ver vet vfa vfb vfc vff vfi vfn vfr vft vfv vi- via vib vic vie vif vii vin vio vir vit viv vn- vna vnf vni vno vnr vnv voa vob voc voe vof voi von voo vor vot vov vra vrb vrc vre vrf vri vrn vrr vrt vta vtb vtc vte vti vto vtr vtt vtv vva vvb vvc vvi vvo vvr vvt vvv