rao rar rat rca rcc rcd rce rch rci rcj rco rcr rct rda rdc rdd rde rdh rdi rdj rdo rdr rdt re- rea rec red ree reh rei rek reo rer ret rh- rha rhc rhd rhe rhh rhi rho rhr rht ria ric rid rie rih rii rik rio rir rit rja rjc rjk rjr rkc rke rkk rko rkt roa roc rod roe roh roi roj rok roo ror rot rra rrc rrd rrh rri rrk rrr rrt rta rtc rtd rte rti rtj rtk rto rtr rtt taa tac tad tae tah tai taj tak tao tar tat tca tcc tcd tce tch tci tcj tck tco tcr tct tda tdc tdd tde tdh tdi tdk tdo tdr tdt te- tea tec ted tee teh tei tej tek teo ter tet th- tha thc thd the thh thi thk tho thr tht tia tic tid tie tih tii tik tio tir tit tjc tjd tje tji tjo tjr tka tkc tke tkk tko tkr tkt to- toa toc tod toe toh toi toj tok too tor tot tra trc trd tre trh tri trk tro trr trt tta ttc ttd tte tth tti ttk tto ttr ttt