-up ddd ddi ddn ddo ddp dds ddu di- did dii din dio dip dis diu dnd dni dnn dno dnp dns dod doi don doo dop dos dou dpd dpi dpn dpo dpp dps dpu dsd dsi dsn dso dsp dss dsu dud dui dun duo dup dus i-d idd idi idn ido idp ids idu iid iii iin iio iip iis iiu in- ind ini inn ino inp ins inu io- iod ioi ion ioo iop ios iou ipd ipi ipn ipo ipp ips ipu is- isd isi isn iso isp iss isu iu- iud iui iup ius n-i ndd ndi ndn ndo ndp nds ndu nid nii nin nio nip nis niu nni nnn nno nnp nns nnu no- nod noi non noo nop nos nou npd npi npn npo npp nps npu nsd nsi nsn nso nsp nss nsu nud nui nun nuo nup nus nuu o-i odd odi odn odo odp ods odu oid oii oin oio oip ois oiu on- ond oni onn ono onp ons onu oo- ood ooi oon ooo oop oos op- opd opi opn opo opp ops os- osd osi osn oso osp oss osu ou- oud oui oun ouo oup ous p-p pdd pdi pdn pdo pdp pds pdu pid pii pin pio pip pis piu pn- pnd pni pnn pno pnp pns pnu pod poi pon poo pop pos pou ppd ppi ppn ppo ppp pps ppu ps- psd psi psn pso psp pss psu pud pui pun pup pus puu sdd sdi sdn sdo sdp sds sdu sid sii sin sio sip sis siu snd sni snn sno snp sns snu sod soi son soo sop sos sou spd spi spn spo spp sps spu ss- ssd ssi ssn sso ssp sss ssu sud sui sun suo sup sus suu udd udi udn udo udp uds udu uid uii uin uio uip uis uiu un- und uni unn uno unp uns unu uod uon uoo uop uos up- upd upi upn upo upp ups upu usd usi usn uso usp uss usu uun uus uuu