oal oan oao oar oat oc- oca occ ocd ocg oci ocl ocn oco ocr oct oda odc odd ode odg odi odl odn odo odr odt oea oec oed oee oeg oei oel oen oeo oer oet oga ogc ogd oge ogg ogi ogl ogn ogo ogt oia oic oid oie oii oil oin oio oir oit ola olc old ole olg oli oll oln olo olt on- ona onc ond one ong oni onl onn ono onr ont oo- ooa ooc ood oog ooi ool oon ooo oor oot or- ora orc ord ore org ori orl orn oro orr ort ot- ota otc otd ote otg oti otl otn oto otr ott ra- raa rac rad rae rag rai ral ran rao rar rat rca rcc rcd rce rcg rci rcl rcn rco rcr rct rda rdc rdd rde rdg rdi rdl rdn rdo rdr rdt re- rea rec red ree reg rei rel ren reo rer ret rga rgc rgd rge rgg rgi rgn rgo rgr rgt ria ric rid rie rig rii ril rin rio rir rit rla rlc rld rle rlg rli rll rln rlo rlr rlt rna rnc rnd rng rni rnn rno rnr rnt roa roc rod roe rog roi rol ron roo ror rot rra rrc rrd rrg rri rrl rrn rrr rrt rta rtc rtd rte rtg rti rtl rtn rto rtr rtt taa tac tad tae tag tai tal tan tao tar tat tca tcc tcd tce tcg tci tcl tcn tco tcr tct tda tdc tdd tde tdg tdi tdl tdn tdo tdr tdt te- tea tec ted tee teg tei tel ten teo ter tet tga tgc tge tgg tgi tgl tgn tgo tgr tgt tia tic tid tie tig tii til tin tio tir tit tla tlc tld tle tlg tli tll tln tlo tlr tlt tna tnc tnd tne tng tni tnl tnn tno tnr tnt to- toa toc tod toe tog toi tol ton too tor tot tra trc trd tre trg tri trl trn tro trr trt tta ttc ttd tte ttg tti ttl ttn tto ttr ttt