-up ddd ddn ddo ddp ddr dds ddt ddu dnd dnn dno dnp dnr dns dnt dod don doo dop dor dos dot dou dpd dpn dpo dpp dpr dps dpt dpu drd drn dro drp drr drs drt dru dsd dsn dso dsp dsr dss dst dsu dtd dtn dto dtp dtr dts dtt dtu dud dun duo dup dur dus dut ndd ndn ndo ndp ndr nds ndt ndu nnn nno nnp nns nnt nnu no- nod non noo nop nor nos not nou npd npn npo npp npr nps npt npu nrd nrn nro nrp nrr nrs nrt nru nsd nsn nso nsp nsr nss nst nsu ntd ntn nto ntp ntr nts ntt ntu nud nun nuo nup nur nus nut nuu odd odn odo odp odr ods odt odu on- ond onn ono onp onr ons ont onu oo- ood oon ooo oop oor oos oot op- opd opn opo opp opr ops opt or- ord orn oro orp orr ors ort oru os- osd osn oso osp osr oss ost osu ot- otd otn oto otp otr ots ott otu ou- oud oun ouo oup our ous out p-p pdd pdn pdo pdp pdr pds pdt pdu pn- pnd pnn pno pnp pnr pns pnt pnu pod pon poo pop por pos pot pou ppd ppn ppo ppp ppr pps ppt ppu prd prn pro prp prr prs prt pru ps- psd psn pso psp psr pss pst psu pt- ptd ptn pto ptp ptr pts ptt ptu pud pun pup pur pus put puu rdd rdn rdo rdp rdr rds rdt rdu rnd rnn rno rnp rnr rns rnt rnu rod ron roo rop ror ros rot rou rpd rpn rpo rpp rpr rps rpt rpu rrd rrn rrp rrr rrs rrt rru rsd rsn rso rsp rsr rss rst rsu rtd rtn rto rtp rtr rts rtt rtu rud run ruo rup rur rus rut ruu sdd sdn sdo sdp sdr sds sdt sdu snd snn sno snp snr sns snt snu sod son soo sop sor sos sot sou spd spn spo spp spr sps spt spu sr- srd srn sro srp srr srs srt ss- ssd ssn sso ssp ssr sss sst ssu std stn sto stp str sts stt stu sud sun suo sup sur sus sut suu tdd tdn tdo tdp tdr tds tdt tdu tnd tnn tno tnp tnr tns tnt to- tod ton too top tor tos tot tou tpd tpn tpo tpp tpr tps tpt tpu trd trn tro trp trr trs trt tru tsd tsn tso tsp tsr tss tst tsu ttd ttn tto ttp ttr tts ttt ttu tud tun tuo tup tur tus tut tuu udd udn udo udp udr uds udt udu un- und unn uno unp unr uns unt unu uod uon uoo uop uor uos uot up- upd upn upo upp upr ups upt upu ur- urd urn uro urp urr urs urt uru usd usn uso usp usr uss ust usu utd utn uto utp utr uts utt utu uun uur uus uut uuu