-up ddd ddi ddn ddo ddp ddr dds ddt ddu di- did dii din dio dip dir dis dit diu dnd dni dnn dno dnp dnr dns dnt dod doi don doo dop dor dos dot dou dpd dpi dpn dpo dpp dpr dps dpt dpu drd dri drn dro drp drr drs drt dru dsd dsi dsn dso dsp dsr dss dst dsu dtd dti dtn dto dtp dtr dts dtt dtu dud dui dun duo dup dur dus dut i-d idd idi idn ido idp idr ids idt idu iid iii iin iio iip iir iis iit iiu in- ind ini inn ino inp inr ins int inu io- iod ioi ion ioo iop ior ios iot iou ipd ipi ipn ipo ipp ipr ips ipt ipu ir- ird iri irn iro irp irr irs irt iru is- isd isi isn iso isp isr iss ist isu itd iti itn ito itp its itt itu iu- iud iui iup iur ius iut n-i ndd ndi ndn ndo ndp ndr nds ndt ndu nid nii nin nio nip nir nis nit niu nni nnn nno nnp nns nnt nnu no- nod noi non noo nop nor nos not nou npd npi npn npo npp npr nps npt npu nrd nri nrn nro nrp nrr nrs nrt nru nsd nsi nsn nso nsp nsr nss nst nsu ntd nti ntn nto ntp ntr nts ntt ntu nud nui nun nuo nup nur nus nut nuu o-i odd odi odn odo odp odr ods odt odu oid oii oin oio oip oir ois oit oiu on- ond oni onn ono onp onr ons ont onu oo- ood ooi oon ooo oop oor oos oot op- opd opi opn opo opp opr ops opt or- ord ori orn oro orp orr ors ort oru os- osd osi osn oso osp osr oss ost osu ot- otd oti otn oto otp otr ots ott otu ou- oud oui oun ouo oup our ous out p-p pdd pdi pdn pdo pdp pdr pds pdt pdu pid pii pin pio pip pir pis pit piu pn- pnd pni pnn pno pnp pnr pns pnt pnu pod poi pon poo pop por pos pot pou ppd ppi ppn ppo ppp ppr pps ppt ppu prd pri prn pro prp prr prs prt pru ps- psd psi psn pso psp psr pss pst psu pt- ptd pti ptn pto ptp ptr pts ptt ptu pud pui pun pup pur pus put puu rdd rdi rdn rdo rdp rdr rds rdt rdu rid rii rin rio rip rir ris rit rnd rni rnn rno rnp rnr rns rnt rnu rod roi ron roo rop ror ros rot rou rpd rpi rpn rpo rpp rpr rps rpt rpu rrd rri rrn rrp rrr rrs rrt rru rsd rsi rsn rso rsp rsr rss rst rsu rtd rti rtn rto rtp rtr rts rtt rtu rud rui run ruo rup rur rus rut ruu sdd sdi sdn sdo sdp sdr sds sdt sdu sid sii sin sio sip sir sis sit siu snd sni snn sno snp snr sns snt snu sod soi son soo sop sor sos sot sou spd spi spn spo spp spr sps spt spu sr- srd sri srn sro srp srr srs srt ss- ssd ssi ssn sso ssp ssr sss sst ssu std sti stn sto stp str sts stt stu sud sui sun suo sup sur sus sut suu tdd tdi tdn tdo tdp tdr tds tdt tdu tid tii tin tio tip tir tis tit tiu tnd tni tnn tno tnp tnr tns tnt to- tod toi ton too top tor tos tot tou tpd tpi tpn tpo tpp tpr tps tpt tpu trd tri trn tro trp trr trs trt tru tsd tsi tsn tso tsp tsr tss tst tsu ttd tti ttn tto ttp ttr tts ttt ttu tud tui tun tuo tup tur tus tut tuu udd udi udn udo udp udr uds udt udu uid uii uin uio uip uir uis uit uiu un- und uni unn uno unp unr uns unt unu uod uon uoo uop uor uos uot up- upd upi upn upo upp upr ups upt upu ur- urd uri urn uro urp urr urs urt uru usd usi usn uso usp usr uss ust usu utd uti utn uto utp utr uts utt utu uun uur uus uut uuu