oto otp otr ots ott otu ou- ouc oud oue oui oun ouo oup our ous out p-p pcc pcd pce pcg pci pcn pco pcp pcr pcs pct pcu pdc pdd pde pdg pdi pdn pdo pdp pdr pds pdt pdu pec ped pee peg pei pen peo pep per pes pet peu pgc pgd pge pgg pgi pgn pgo pgp pgr pgs pgt pic pid pie pig pii pin pio pip pir pis pit piu pn- pnc pnd pne png pni pnn pno pnp pnr pns pnt pnu poc pod poe pog poi pon poo pop por pos pot pou ppc ppd ppe ppg ppi ppn ppo ppp ppr pps ppt ppu prc prd pre prg pri prn pro prp prr prs prt pru ps- psc psd pse psg psi psn pso psp psr pss pst psu pt- ptc ptd pte ptg pti ptn pto ptp ptr pts ptt ptu puc pud pue pug pui pun pup pur pus put puu rcc rcd rce rcg rci rcn rco rcp rcr rcs rct rcu rdc rdd rde rdg rdi rdn rdo rdp rdr rds rdt rdu re- rec red ree reg rei ren reo rep rer res ret reu rgc rgd rge rgg rgi rgn rgo rgp rgr rgs rgt ric rid rie rig rii rin rio rip rir ris rit rnc rnd rng rni rnn rno rnp rnr rns rnt rnu roc rod roe rog roi ron roo rop ror ros rot rou rpc rpd rpe rpg rpi rpn rpo rpp rpr rps rpt rpu rrc rrd rrg rri rrn rrp rrr rrs rrt rru rsc rsd rse rsg rsi rsn rso rsp rsr rss rst rsu rtc rtd rte rtg rti rtn rto rtp rtr rts rtt rtu ruc rud rue rug rui run ruo rup rur rus rut ruu scc scd sce scg sci scn sco scp scr scs sct scu sdc sdd sde sdg sdi sdn sdo sdp sdr sds sdt sdu se- sec sed see seg sei sen seo sep ser ses set seu sgc sgd sge sgg sgi sgn sgo sgp sgr sgs sgt sgu sic sid sie sig sii sin sio sip sir sis sit siu snc snd sne sng sni snn sno snp snr sns snt snu soc sod soe sog soi son soo sop sor sos sot sou spc spd spe spg spi spn spo spp spr sps spt spu sr- src srd sre srg sri srn sro srp srr srs srt ss- ssc ssd sse ssg ssi ssn sso ssp ssr sss sst ssu stc std ste stg sti stn sto stp str sts stt stu suc sud sue sug sui sun suo sup sur sus sut suu tcc tcd tce tcg tci tcn tco tcp tcr tcs tct tcu tdc tdd tde tdg tdi tdn tdo tdp tdr tds tdt tdu te- tec ted tee teg tei ten teo tep ter tes tet teu tgc tge tgg tgi tgn tgo tgp tgr tgs tgt tgu tic tid tie tig tii tin tio tip tir tis tit tiu tnc tnd tne tng tni tnn tno tnp tnr tns tnt to- toc tod toe tog toi ton too top tor tos tot tou tpc tpd tpe tpg tpi tpn tpo tpp tpr tps tpt tpu trc trd tre trg tri trn tro trp trr trs trt tru tsc tsd tse tsg tsi tsn tso tsp tsr tss tst tsu ttc ttd tte ttg tti ttn tto ttp ttr tts ttt ttu tuc tud tue tug tui tun tuo tup tur tus tut tuu ucc ucd uce ucg uci ucn uco ucp ucr ucs uct ucu udc udd ude udg udi udn udo udp udr uds udt udu uec ued uee ueg uei uen uep uer ues uet ugc uge ugg ugi ugn ugo ugp ugr ugs ugt ugu uic uid uie uig uii uin uio uip uir uis uit uiu un- unc und une ung uni unn uno unp unr uns unt unu uoc uod uoe uog uon uoo uop uor uos uot up- upc upd upe upg upi upn upo upp upr ups upt upu ur- urc urd ure urg uri urn uro urp urr urs urt uru usc usd use usg usi usn uso usp usr uss ust usu utc utd ute uti utn uto utp utr uts utt utu uuc uue uug uun uur uus uut uuu