rep rer ret rex ria ric rid rie rii rin rio rip rir rit rix rna rnc rnd rni rnn rno rnp rnr rnt roa roc rod roe roi ron roo rop ror rot rox rpa rpc rpd rpe rpi rpn rpo rpp rpr rpt rpx rra rrc rrd rri rrn rrp rrr rrt rta rtc rtd rte rti rtn rto rtp rtr rtt rtx rxp rxr t-x taa tac tad tae tai tan tao tap tar tat tax tca tcc tcd tce tci tcn tco tcp tcr tct tcx tda tdc tdd tde tdi tdn tdo tdp tdr tdt tdx te- tea tec ted tee tei ten teo tep ter tet tex tia tic tid tie tii tin tio tip tir tit tix tna tnc tnd tne tni tnn tno tnp tnr tnt tnx to- toa toc tod toe toi ton too top tor tot tox tpa tpc tpd tpe tpi tpn tpo tpp tpr tpt tpx tra trc trd tre tri trn tro trp trr trt trx tta ttc ttd tte tti ttn tto ttp ttr ttt ttx txe txi txn txt xaa xac xad xan xap xar xat xcd xci xcp xcr xcx xda xdc xde xdi xdr xdt xed xee xen xep xer xet xex xia xic xie xii xin xio xit xix xna xnc xno xoa xoc xod xoi xon xoo xop xor xot xox xpa xpc xpd xpe xpn xpo xpp xpt xrc xrd xrt xrx xtc xti xtp xtr xtx xxi xxo xxp xxx