-up ddd ddi ddn ddo ddp dds ddt ddu di- did dii din dio dip dis dit diu dnd dni dnn dno dnp dns dnt dod doi don doo dop dos dot dou dpd dpi dpn dpo dpp dps dpt dpu dsd dsi dsn dso dsp dss dst dsu dtd dti dtn dto dtp dts dtt dtu dud dui dun duo dup dus dut i-d idd idi idn ido idp ids idt idu iid iii iin iio iip iis iit iiu in- ind ini inn ino inp ins int inu io- iod ioi ion ioo iop ios iot iou ipd ipi ipn ipo ipp ips ipt ipu is- isd isi isn iso isp iss ist isu itd iti itn ito itp its itt itu iu- iud iui iup ius iut n-i ndd ndi ndn ndo ndp nds ndt ndu nid nii nin nio nip nis nit niu nni nnn nno nnp nns nnt nnu no- nod noi non noo nop nos not nou npd npi npn npo npp nps npt npu nsd nsi nsn nso nsp nss nst nsu ntd nti ntn nto ntp nts ntt ntu nud nui nun nuo nup nus nut nuu o-i odd odi odn odo odp ods odt odu oid oii oin oio oip ois oit oiu on- ond oni onn ono onp ons ont onu oo- ood ooi oon ooo oop oos oot op- opd opi opn opo opp ops opt os- osd osi osn oso osp oss ost osu ot- otd oti otn oto otp ots ott otu ou- oud oui oun ouo oup ous out p-p pdd pdi pdn pdo pdp pds pdt pdu pid pii pin pio pip pis pit piu pn- pnd pni pnn pno pnp pns pnt pnu pod poi pon poo pop pos pot pou ppd ppi ppn ppo ppp pps ppt ppu ps- psd psi psn pso psp pss pst psu pt- ptd pti ptn pto ptp pts ptt ptu pud pui pun pup pus put puu sdd sdi sdn sdo sdp sds sdt sdu sid sii sin sio sip sis sit siu snd sni snn sno snp sns snt snu sod soi son soo sop sos sot sou spd spi spn spo spp sps spt spu ss- ssd ssi ssn sso ssp sss sst ssu std sti stn sto stp sts stt stu sud sui sun suo sup sus sut suu tdd tdi tdn tdo tdp tds tdt tdu tid tii tin tio tip tis tit tiu tnd tni tnn tno tnp tns tnt to- tod toi ton too top tos tot tou tpd tpi tpn tpo tpp tps tpt tpu tsd tsi tsn tso tsp tss tst tsu ttd tti ttn tto ttp tts ttt ttu tud tui tun tuo tup tus tut tuu udd udi udn udo udp uds udt udu uid uii uin uio uip uis uit uiu un- und uni unn uno unp uns unt unu uod uon uoo uop uos uot up- upd upi upn upo upp ups upt upu usd usi usn uso usp uss ust usu utd uti utn uto utp uts utt utu uun uus uut uuu