-up ddd ddf ddi ddn ddp dds ddu dfd dff dfi dfn dfp dfs dfu di- did dif dii din dip dis diu dnd dnf dni dnn dnp dns dpd dpf dpi dpn dpp dps dpu dsd dsf dsi dsn dsp dss dsu dud duf dui dun dup dus fdd fdf fdi fdn fdp fds fdu ffd fff ffi ffn ffp ffs ffu fid fif fii fin fip fis fiu fnd fnf fni fnn fnp fns fnu fpd fpi fpn fpp fps fpu fsd fsf fsi fsn fsp fss fsu fud fuf fui fun fup fus fuu i-d i-f idd idf idi idn idp ids idu ifd iff ifi ifn ifp ifs ifu iid iif iii iin iip iis iiu in- ind inf ini inn inp ins inu ipd ipf ipi ipn ipp ips ipu is- isd isf isi isn isp iss isu iu- iud iui iup ius n-i ndd ndf ndi ndn ndp nds ndu nfd nff nfi nfn nfp nfs nfu nid nif nii nin nip nis niu nnf nni nnn nnp nns nnu npd npf npi npn npp nps npu nsd nsf nsi nsn nsp nss nsu nud nui nun nup nus nuu p-p pdd pdf pdi pdn pdp pds pdu pfd pff pfi pfn pfp pfs pfu pid pif pii pin pip pis piu pn- pnd pnf pni pnn pnp pns pnu ppd ppf ppi ppn ppp pps ppu ps- psd psf psi psn psp pss psu pud puf pui pun pup pus puu sdd sdf sdi sdn sdp sds sdu sfd sff sfi sfn sfp sfs sfu sid sif sii sin sip sis siu snd snf sni snn snp sns snu spd spf spi spn spp sps spu ss- ssd ssf ssi ssn ssp sss ssu sud suf sui sun sup sus suu udd udf udi udn udp uds udu ufd uff ufi ufn ufp ufs ufu uid uif uii uin uip uis uiu un- und unf uni unn unp uns unu up- upd upf upi upn upp ups upu usd usf usi usn usp uss usu uun uus uuu