ddd ddf ddi ddk ddn ddo ddr dds ddu dfd dff dfi dfk dfn dfo dfr dfs dfu di- did dif dii dik din dio dir dis diu dki dkk dko dkr dks dku dnd dnf dni dnk dnn dno dnr dns dod dof doi dok don doo dor dos dou drd dri drk drn dro drr drs dru dsd dsf dsi dsk dsn dso dsr dss dsu dud duf dui duk dun duo dur dus fdd fdf fdi fdk fdn fdo fdr fds fdu ffd fff ffi ffk ffn ffo ffr ffs ffu fid fif fii fik fin fir fis fiu fkf fki fkk fnd fnf fni fnk fnn fnr fns fnu fof foi fok fon foo for fos fou frd frf fri frk frn fro frr frs fru fsd fsf fsi fsk fsn fso fsr fss fsu fud fuf fui fuk fun fuo fur fus fuu i-d i-f idd idf idi idk idn ido idr ids idu ifd iff ifi ifn ifo ifr ifs ifu iid iif iii iin iio iir iis iiu ikf iki ikk iko ikr iks iku in- ind inf ini ink inn ino inr ins inu io- iod iof ioi ion ioo ior ios iou ir- ird irf iri irk irn iro irr irs iru is- isd isf isi isk isn iso isr iss isu iu- iud iui iur ius kdf kdk kdo kdr kds kdu kfd kff kfi kfo kfs kfu kid kif kii kik kin kio kir kis kiu kki kkk kkn kkr kks kku kn- knd knf kni knk knn kno knr knu kod kof koi kok kon koo kor kos kou krd krf kri krk krn kro krr krs kru ksd ksf ksi ksk ksn kso ksr kss ksu kud kui kuk kun kur kus kuu n-i ndd ndf ndi ndk ndn ndo ndr nds ndu nfd nff nfi nfk nfn nfo nfr nfs nfu nid nif nii nik nin nio nir nis niu nkf nki nkk nkn nko nkr nks nku nnf nni nnk nnn nno nns nnu no- nod nof noi nok non noo nor nos nou nrd nrf nri nrk nrn nro nrr nrs nru nsd nsf nsi nsk nsn nso nsr nss nsu nud nui nuk nun nuo nur nus nuu o-i odd odf odi odn odo odr ods odu of- ofd off ofi ofn ofo ofr ofs ofu oid oif oii oik oin oio oir ois oiu okd oki okk oko okr oks oku on- ond onf oni onk onn ono onr ons onu oo- ood oof ooi ook oon ooo oor oos or- ord orf ori ork orn oro orr ors oru os- osd osf osi osk osn oso osr oss osu ou- oud ouf oui ouk oun ouo our ous rdd rdf rdi rdn rdo rdr rds rdu rfd rff rfi rfk rfn rfo rfr rfs rfu rid rif rii rik rin rio rir ris rkf rkk rko rks rku rnd rni rnn rno rnr rns rnu rod rof roi rok ron roo ror ros rou rrd rrf rri rrk rrn rrr rrs rru rsd rsf rsi rsk rsn rso rsr rss rsu rud ruf rui ruk run ruo rur rus ruu sdd sdf sdi sdk sdn sdo sdr sds sdu sfd sff sfi sfk sfn sfo sfr sfs sfu sid sif sii sik sin sio sir sis siu sk- skd skf ski skk sko skr sks sku snd snf sni snk snn sno snr sns snu sod sof soi sok son soo sor sos sou sr- srd srf sri srk srn sro srr srs ss- ssd ssf ssi ssk ssn sso ssr sss ssu sud suf sui suk sun suo sur sus suu udd udf udi udk udn udo udr uds udu ufd uff ufi ufn ufo ufr ufs ufu uid uif uii uin uio uir uis uiu ukf uki ukk ukn ukr uku un- und unf uni unk unn uno unr uns unu uod uok uon uoo uor uos ur- urd urf uri urk urn uro urr urs uru usd usf usi usk usn uso usr uss usu uun uur uus uuu