ddd ddi ddk ddn ddo ddp ddr dds ddt di- did dii dik din dio dip dir dis dit dki dkk dko dkp dkr dks dkt dnd dni dnk dnn dno dnp dnr dns dnt dod doi dok don doo dop dor dos dot dpd dpi dpk dpn dpo dpp dpr dps dpt drd dri drk drn dro drp drr drs drt dsd dsi dsk dsn dso dsp dsr dss dst dtd dti dtk dtn dto dtp dtr dts dtt i-d idd idi idk idn ido idp idr ids idt iid iii iin iio iip iir iis iit iki ikk iko ikr iks ikt in- ind ini ink 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 irk irn iro irp irr irs irt is- isd isi isk isn iso isp isr iss ist itd iti itk itn ito itp its itt k-t kdk kdo kdp kdr kds kdt kid kii kik kin kio kip kir kis kit kki kkk kkn kkp kkr kks kkt kn- knd kni knk knn kno knp knr knt kod koi kok kon koo kop kor kos kot kpd kpi kpk kpn kpo kpp kpr kps kpt krd kri krk krn kro krp krr krs krt ksd ksi ksk ksn kso ksp ksr kss kst ktk ktn kto ktp ktr kts ktt n-i ndd ndi ndk ndn ndo ndp ndr nds ndt nid nii nik nin nio nip nir nis nit nki nkk nkn nko nkp nkr nks nkt nni nnk nnn nno nnp nns nnt no- nod noi nok non noo nop nor nos not npd npi npn npo npp npr nps npt nrd nri nrk nrn nro nrp nrr nrs nrt nsd nsi nsk nsn nso nsp nsr nss nst ntd nti ntk ntn nto ntp ntr nts ntt o-i odd odi odn odo odp odr ods odt oid oii oik oin oio oip oir ois oit okd oki okk oko okp okr oks on- ond oni onk onn ono onp onr ons ont oo- ood ooi ook oon ooo oop oor oos oot op- opd opi opk opn opo opp opr ops opt or- ord ori ork orn oro orp orr ors ort os- osd osi osk osn oso osp osr oss ost ot- otd oti otk otn oto otp otr ots ott p-p pdd pdi pdk pdn pdo pdp pdr pds pdt pid pii pik pin pio pip pir pis pit pkd pki pkn pko pkp pkr pks pkt pn- pnd pni pnk pnn pno pnp pnr pns pnt pod poi pok pon poo pop por pos pot ppd ppi ppk ppn ppo ppp ppr pps ppt prd pri prk prn pro prp prr prs prt ps- psd psi psk psn pso psp psr pss pst pt- ptd pti ptk ptn pto ptp ptr pts ptt rdd rdi rdn rdo rdp rdr rds rdt rid rii rik rin rio rip rir ris rit rkk rko rkp rks rkt rnd rni rnn rno rnp rnr rns rnt rod roi rok ron roo rop ror ros rot rpd rpi rpk rpn rpo rpp rpr rps rpt rrd rri rrk rrn rrp rrr rrs rrt rsd rsi rsk rsn rso rsp rsr rss rst rtd rti rtk rtn rto rtp rtr rts rtt sdd sdi sdk sdn sdo sdp sdr sds sdt sid sii sik sin sio sip sir sis sit sk- skd ski skk sko skp skr sks skt snd sni snk snn sno snp snr sns snt sod soi sok son soo sop sor sos sot spd spi spk spn spo spp spr sps spt sr- srd sri srk srn sro srp srr srs srt ss- ssd ssi ssk ssn sso ssp ssr sss sst std sti stk stn sto stp str sts stt tdd tdi tdk tdn tdo tdp tdr tds tdt tid tii tik tin tio tip tir tis tit tkk tko tkp tkr tks tkt tnd tni tnk tnn tno tnp tnr tns tnt to- tod toi tok ton too top tor tos tot tpd tpi tpk tpn tpo tpp tpr tps tpt trd tri trk trn tro trp trr trs trt tsd tsi tsk tsn tso tsp tsr tss tst ttd tti ttk ttn tto ttp ttr tts ttt