roa roe rof roi rol ron roo rop ror rot rox rpa rpe rpf rpi rpl rpn rpo rpp rpr rpt rpx rra rrf rri rrl rrn rrp rrr rrt rta rte rtf rti rtl rtn rto rtp rtr rtt rtx rxp rxr t-x taa tae taf tai tal tan tao tap tar tat tax te- tea tee tef tei tel ten teo tep ter tet tex tfa tfe tff tfi tfl tfn tfo tfp tfr tft tfx tia tie tif tii til tin tio tip tir tit tix tla tle tlf tli tll tln tlo tlp tlr tlt tlx tna tne tnf tni tnl tnn tno tnp tnr tnt tnx to- toa toe tof toi tol ton too top tor tot tox tpa tpe tpf tpi tpl tpn tpo tpp tpr tpt tpx tra tre trf tri trl trn tro trp trr trt trx tta tte ttf tti ttl ttn tto ttp ttr ttt ttx txe txf txi txl txn txt xaa xaf xal xan xap xar xat xee xel xen xep xer xet xex xfa xfe xfl xfn xft xfx xia xie xii xin xio xit xix xla xlf xli xlr xlt xna xno xoa xof xoi xon xoo xop xor xot xox xpa xpe xpf xpl xpn xpo xpp xpt xrf xrt xrx xtf xti xtp xtr xtx xxi xxl xxo xxp xxx