ddd ddi ddn ddo ddp ddr dds ddt di- did dii din dio dip dir dis dit dnd dni dnn dno dnp dnr dns dnt dod doi don doo dop dor dos dot dpd dpi dpn dpo dpp dpr dps dpt drd dri drn dro drp drr drs drt dsd dsi dsn dso dsp dsr dss dst dtd dti dtn dto dtp dtr dts dtt i-d idd idi idn ido idp idr ids idt iid iii iin iio iip iir iis iit in- ind ini inn ino inp inr ins int io- iod ioi ion ioo iop ior ios iot ipd ipi ipn ipo ipp ipr ips ipt ir- ird iri irn iro irp irr irs irt is- isd isi isn iso isp isr iss ist itd iti itn ito itp its itt n-i ndd ndi ndn ndo ndp ndr nds ndt nid nii nin nio nip nir nis nit nni nnn nno nnp nns nnt no- nod noi non noo nop nor nos not npd npi npn npo npp npr nps npt nrd nri nrn nro nrp nrr nrs nrt nsd nsi nsn nso nsp nsr nss nst ntd nti ntn nto ntp ntr nts ntt o-i odd odi odn odo odp odr ods odt oid oii oin oio oip oir ois oit on- ond oni onn ono onp onr ons ont 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 os- osd osi osn oso osp osr oss ost ot- otd oti otn oto otp otr ots ott p-p pdd pdi pdn pdo pdp pdr pds pdt pid pii pin pio pip pir pis pit pn- pnd pni pnn pno pnp pnr pns pnt pod poi pon poo pop por pos pot ppd ppi ppn ppo ppp ppr pps ppt prd pri prn pro prp prr prs prt ps- psd psi psn pso psp psr pss pst pt- ptd pti ptn pto ptp ptr pts ptt rdd rdi rdn rdo rdp rdr rds rdt rid rii rin rio rip rir ris rit rnd rni rnn rno rnp rnr rns rnt rod roi ron roo rop ror ros rot rpd rpi rpn rpo rpp rpr rps rpt rrd rri rrn rrp rrr rrs rrt rsd rsi rsn rso rsp rsr rss rst rtd rti rtn rto rtp rtr rts rtt sdd sdi sdn sdo sdp sdr sds sdt sid sii sin sio sip sir sis sit snd sni snn sno snp snr sns snt sod soi son soo sop sor sos sot spd spi spn spo spp spr sps spt sr- srd sri srn sro srp srr srs srt ss- ssd ssi ssn sso ssp ssr sss sst std sti stn sto stp str sts stt tdd tdi tdn tdo tdp tdr tds tdt tid tii tin tio tip tir tis tit tnd tni tnn tno tnp tnr tns tnt to- tod toi ton too top tor tos tot tpd tpi tpn tpo tpp tpr tps tpt trd tri trn tro trp trr trs trt tsd tsi tsn tso tsp tsr tss tst ttd tti ttn tto ttp ttr tts ttt