rrf rrg rrh rri rrl rrn rrp rrr rrt rta rtb rtc rte rtf rtg rti rtl rtn rtp rtr rtt taa tab tac tae taf tag tah tai tal tan tap tar tat tba tbb tbc tbe tbf tbg tbh tbi tbl tbn tbp tbr tbt tca tcb tcc tce tcf tcg tch tci tcl tcn tcp tcr tct te- tea teb tec tee tef teg teh tei tel ten tep ter tet tfa tfb tfc tfe tff tfg tfh tfi tfl tfn tfp tfr tft tga tgb tgc tge tgf tgg tgh tgi tgl tgn tgp tgr tgt th- tha thb thc the thf thg thh thi thl thn thp thr tht tia tib tic tie tif tig tih tii til tin tip tir tit tla tlc tle tlf tlg tlh tli tll tln tlp tlr tlt tna tnb tnc tne tnf tng tnh tni tnl tnn tnp tnr tnt tpa tpb tpc tpe tpf tpg tph tpi tpl tpn tpp tpr tpt tra trb trc tre trf trg trh tri trl trn trp trr trt tta ttb ttc tte ttf ttg tth tti ttl ttn ttp ttr ttt