-up ddd ddn ddo ddp ddr dds ddu dnd dnn dno dnp dnr dns dod don doo dop dor dos dou dpd dpn dpo dpp dpr dps dpu drd drn dro drp drr drs dru dsd dsn dso dsp dsr dss dsu dud dun duo dup dur dus ndd ndn ndo ndp ndr nds ndu nnn nno nnp nns nnu no- nod non noo nop nor nos nou npd npn npo npp npr nps npu nrd nrn nro nrp nrr nrs nru nsd nsn nso nsp nsr nss nsu nud nun nuo nup nur nus nuu odd odn odo odp odr ods odu on- ond onn ono onp onr ons onu oo- ood oon ooo oop oor oos op- opd opn opo opp opr ops or- ord orn oro orp orr ors oru os- osd osn oso osp osr oss osu ou- oud oun ouo oup our ous p-p pdd pdn pdo pdp pdr pds pdu pn- pnd pnn pno pnp pnr pns pnu pod pon poo pop por pos pou ppd ppn ppo ppp ppr pps ppu prd prn pro prp prr prs pru ps- psd psn pso psp psr pss psu pud pun pup pur pus puu rdd rdn rdo rdp rdr rds rdu rnd rnn rno rnp rnr rns rnu rod ron roo rop ror ros rou rpd rpn rpo rpp rpr rps rpu rrd rrn rrp rrr rrs rru rsd rsn rso rsp rsr rss rsu rud run ruo rup rur rus ruu sdd sdn sdo sdp sdr sds sdu snd snn sno snp snr sns snu sod son soo sop sor sos sou spd spn spo spp spr sps spu sr- srd srn sro srp srr srs ss- ssd ssn sso ssp ssr sss ssu sud sun suo sup sur sus suu udd udn udo udp udr uds udu un- und unn uno unp unr uns unu uod uon uoo uop uor uos up- upd upn upo upp upr ups upu ur- urd urn uro urp urr urs uru usd usn uso usp usr uss usu uun uur uus uuu