roe rof roh roi rol ron roo ror rot rra rrb rrc rrd rrf rrh rri rrl rrn rrr rrt rta rtb rtc rtd rte rtf rti rtl rtn rto rtr rtt taa tab tac tad tae taf tah tai tal tan tao tar tat tba tbb tbc tbd tbe tbf tbh tbi tbl tbn tbo tbr tbt tca tcb tcc tcd tce tcf tch tci tcl tcn tco tcr tct tda tdb tdc tdd tde tdf tdh tdi tdl tdn tdo tdr tdt te- tea teb tec ted tee tef teh tei tel ten teo ter tet tfa tfb tfc tfd tfe tff tfh tfi tfl tfn tfo tfr tft th- tha thb thc thd the thf thh thi thl thn tho thr tht tia tib tic tid tie tif tih tii til tin tio tir tit tla tlc tld tle tlf tlh tli tll tln tlo tlr tlt tna tnb tnc tnd tne tnf tnh tni tnl tnn tno tnr tnt to- toa tob toc tod toe tof toh toi tol ton too tor tot tra trb trc trd tre trf trh tri trl trn tro trr trt tta ttb ttc ttd tte ttf tth tti ttl ttn tto ttr ttt