rrr rrt rta rtc rte rti rtk rtm rtn rto rtr rtt rtx rxr t-x taa tac tae tai tak tam tan tao tar tat tax tca tcc tce tci tck tcm tcn tco tcr tct tcx te- tea tec tee tei tek tem ten teo ter tet tex tia tic tie tii tik tim tin tio tir tit tix tka tkc tke tkk tkm tko tkr tkt tma tmc tme tmi tmk tmm tmn tmo tmr tmt tmx tna tnc tne tni tnk tnm tnn tno tnr tnt tnx to- toa toc toe toi tok tom ton too tor tot tox tra trc tre tri trk trm trn tro trr trt trx tta ttc tte tti ttk ttm ttn tto ttr ttt ttx txe txi txk txn txt xaa xac xak xam xan xar xat xci xcr xcx xee xem xen xer xet xex xia xic xie xii xin xio xit xix xke xma xmc xmi xmk xmm xmo xmr xmt xmx xna xnc xnk xno xoa xoc xoi xok xom xon xoo xor xot xox xrc xrt xrx xtc xti xtm xtr xtx xxi xxo xxx