roi rol ron roo ror rot rra rrb rrc rrd rrg rrh rri rrl rrn rrr rrt rta rtb rtc rtd rte rtg rti rtl rtn rto rtr rtt taa tab tac tad tae tag tah tai tal tan tao tar tat tba tbb tbc tbd tbe tbg tbh tbi tbl tbn tbo tbr tbt tca tcb tcc tcd tce tcg tch tci tcl tcn tco tcr tct tda tdb tdc tdd tde tdg tdh tdi tdl tdn tdo tdr tdt te- tea teb tec ted tee teg teh tei tel ten teo ter tet tga tgb tgc tge tgg tgh tgi tgl tgn tgo tgr tgt th- tha thb thc thd the thg thh thi thl thn tho thr tht tia tib tic tid tie tig tih tii til tin tio tir tit tla tlc tld tle tlg tlh tli tll tln tlo tlr tlt tna tnb tnc tnd tne tng tnh tni tnl tnn tno tnr tnt to- toa tob toc tod toe tog toh toi tol ton too tor tot tra trb trc trd tre trg trh tri trl trn tro trr trt tta ttb ttc ttd tte ttg tth tti ttl ttn tto ttr ttt