ddd ddi ddk ddn ddo ddr dds ddu di- did dii dik din dio dir dis diu dki dkk dko dkr dks dku dnd dni dnk dnn dno dnr dns dod doi dok don doo dor dos dou drd dri drk drn dro drr drs dru dsd dsi dsk dsn dso dsr dss dsu dud dui duk dun duo dur dus i-d idd idi idk idn ido idr ids idu iid iii iin iio iir iis iiu iki ikk iko ikr iks iku in- ind ini ink inn ino inr ins inu io- iod ioi ion ioo ior ios iou ir- ird iri irk irn iro irr irs iru is- isd isi isk isn iso isr iss isu iu- iud iui iur ius kdk kdo kdr kds kdu kid kii kik kin kio kir kis kiu kki kkk kkn kkr kks kku kn- knd kni knk knn kno knr knu kod koi kok kon koo kor kos kou krd kri krk krn kro krr krs kru ksd ksi ksk ksn kso ksr kss ksu kud kui kuk kun kur kus kuu n-i ndd ndi ndk ndn ndo ndr nds ndu nid nii nik nin nio nir nis niu nki nkk nkn nko nkr nks nku nni nnk nnn nno nns nnu no- nod noi nok non noo nor nos nou nrd nri nrk nrn nro nrr nrs nru nsd nsi nsk nsn nso nsr nss nsu nud nui nuk nun nuo nur nus nuu o-i odd odi odn odo odr ods odu oid oii oik oin oio oir ois oiu okd oki okk oko okr oks oku on- ond oni onk onn ono onr ons onu oo- ood ooi ook oon ooo oor oos or- ord ori ork orn oro orr ors oru os- osd osi osk osn oso osr oss osu ou- oud oui ouk oun ouo our ous rdd rdi rdn rdo rdr rds rdu rid rii rik rin rio rir ris rkk rko rks rku rnd rni rnn rno rnr rns rnu rod roi rok ron roo ror ros rou rrd rri rrk rrn rrr rrs rru rsd rsi rsk rsn rso rsr rss rsu rud rui ruk run ruo rur rus ruu sdd sdi sdk sdn sdo sdr sds sdu sid sii sik sin sio sir sis siu sk- skd ski skk sko skr sks sku snd sni snk snn sno snr sns snu sod soi sok son soo sor sos sou sr- srd sri srk srn sro srr srs ss- ssd ssi ssk ssn sso ssr sss ssu sud sui suk sun suo sur sus suu udd udi udk udn udo udr uds udu uid uii uin uio uir uis uiu uki ukk ukn ukr uku un- und uni unk unn uno unr uns unu uod uok uon uoo uor uos ur- urd uri urk urn uro urr urs uru usd usi usk usn uso usr uss usu uun uur uus uuu