oti otl otn oto otp otr ots ott otu ou- ouc oud oue oui oul oun ouo oup our ous out p-p pcc pcd pce pci pcl pcn pco pcp pcr pcs pct pcu pdc pdd pde pdi pdl pdn pdo pdp pdr pds pdt pdu pec ped pee pei pel pen peo pep per pes pet peu pic pid pie pii pil pin pio pip pir pis pit piu plc pld ple pli pll pln plo plp plr pls plt plu pn- pnc pnd pne pni pnl pnn pno pnp pnr pns pnt pnu poc pod poe poi pol pon poo pop por pos pot pou ppc ppd ppe ppi ppl ppn ppo ppp ppr pps ppt ppu prc prd pre pri prl prn pro prp prr prs prt pru ps- psc psd pse psi psl psn pso psp psr pss pst psu pt- ptc ptd pte pti ptl ptn pto ptp ptr pts ptt ptu puc pud pue pui pul pun pup pur pus put puu rcc rcd rce rci rcl rcn rco rcp rcr rcs rct rcu rdc rdd rde rdi rdl rdn rdo rdp rdr rds rdt rdu re- rec red ree rei rel ren reo rep rer res ret reu ric rid rie rii ril rin rio rip rir ris rit rlc rld rle rli rll rln rlo rlp rlr rls rlt rlu rnc rnd rni rnn rno rnp rnr rns rnt rnu roc rod roe roi rol ron roo rop ror ros rot rou rpc rpd rpe rpi rpl rpn rpo rpp rpr rps rpt rpu rrc rrd rri rrl rrn rrp rrr rrs rrt rru rsc rsd rse rsi rsl rsn rso rsp rsr rss rst rsu rtc rtd rte rti rtl rtn rto rtp rtr rts rtt rtu ruc rud rue rui run ruo rup rur rus rut ruu scc scd sce sci scl scn sco scp scr scs sct scu sdc sdd sde sdi sdl sdn sdo sdp sdr sds sdt sdu se- sec sed see sei sel sen seo sep ser ses set seu sic sid sie sii sil sin sio sip sir sis sit siu slc sld sle sli sll sln slo slp slr sls slt slu snc snd sne sni snl snn sno snp snr sns snt snu soc sod soe soi sol son soo sop sor sos sot sou spc spd spe spi spl spn spo spp spr sps spt spu sr- src srd sre sri srl srn sro srp srr srs srt ss- ssc ssd sse ssi ssl ssn sso ssp ssr sss sst ssu stc std ste sti stl stn sto stp str sts stt stu suc sud sue sui sul sun suo sup sur sus sut suu tcc tcd tce tci tcl tcn tco tcp tcr tcs tct tcu tdc tdd tde tdi tdl tdn tdo tdp tdr tds tdt tdu te- tec ted tee tei tel ten teo tep ter tes tet teu tic tid tie tii til tin tio tip tir tis tit tiu tlc tld tle tli tll tln tlo tlp tlr tls tlt tlu tnc tnd tne tni tnl tnn tno tnp tnr tns tnt to- toc tod toe toi tol ton too top tor tos tot tou tpc tpd tpe tpi tpl tpn tpo tpp tpr tps tpt tpu trc trd tre tri trl trn tro trp trr trs trt tru tsc tsd tse tsi tsl tsn tso tsp tsr tss tst tsu ttc ttd tte tti ttl ttn tto ttp ttr tts ttt ttu tuc tud tue tui tul tun tuo tup tur tus tut tuu ucc ucd uce uci ucl ucn uco ucp ucr ucs uct ucu udc udd ude udi udl udn udo udp udr uds udt udu uec ued uee uei uel uen uep uer ues uet uic uid uie uii uil uin uio uip uir uis uit uiu ulc uld ule uli ull uln ulo ulp ulr uls ult ulu un- unc und une uni unl unn uno unp unr uns unt unu uoc uod uoe uol uon uoo uop uor uos uot up- upc upd upe upi upn upo upp upr ups upt upu ur- urc urd ure uri url urn uro urp urr urs urt uru usc usd use usi usl usn uso usp usr uss ust usu utc utd ute uti utl utn uto utp utr uts utt utu uuc uue uun uur uus uut uuu