bbb bbd bbi bbk bbn bbo bbs bdb bdd bdi bdk bdo bds bdz bi- bib bid bii bik bin bio bis biz bkb bkk bkn bko bks bnb bnd bni bnk bnn bno bns bnz bob bod boi bok bon boo bos boz bsb bsd bsi bsk bsn bso bss bzd bzn bzo bzs bzz dbb dbd dbi dbk dbn dbo dbs dbz ddb ddd ddi ddk ddn ddo dds ddz di- dib did dii dik din dio dis diz dkb dki dkk dko dks dnb dnd dni dnk dnn dno dns dnz dob dod doi dok don doo dos doz dsb dsd dsi dsk dsn dso dss dsz dzb dzd dzi dzo dzs i-d ibb ibd ibi ibk ibn ibo ibs ibz idb idd idi idk idn ido ids iib iid iii iin iio iis ikb iki ikk iko iks in- inb ind ini ink inn ino ins io- iob iod ioi ion ioo ios is- isb isd isi isk isn iso iss izi izo izz k-z kbb kbd kbi kbk kbn kbo kbs kbz kdb kdk kdo kds kib kid kii kik kin kio kis kiz kkb kki kkk kkn kks kn- knd kni knk knn kno kob kod koi kok kon koo kos koz ksb ksd ksi ksk ksn kso kss kzo n-i nbb nbd nbi nbk nbn nbo nbs ndb ndd ndi ndk ndn ndo nds nib nid nii nik nin nio nis niz nki nkk nkn nko nks nnb nni nnk nnn nno nns nnz no- nob nod noi nok non noo nos noz nsb nsd nsi nsk nsn nso nss nsz nzb nzd nzi nzo nzs nzz o-i ob- obb obd obi obk obn obo obs odb odd odi odn odo ods oib oid oii oik oin oio ois oiz okb okd oki okk oko oks on- onb ond oni onk onn ono ons oo- oob ood ooi ook oon ooo oos os- osb osd osi osk osn oso oss ozo ozs ozz sbb sbd sbi sbk sbn sbo sbs sdb sdd sdi sdk sdn sdo sds sdz sib sid sii sik sin sio sis sk- skb skd ski skk sko sks snb snd sni snk snn sno sns sob sod soi sok son soo sos soz ss- ssb ssd ssi ssk ssn sso sss ssz szd szi zbb zbs zds zib zid zik zin zio zis ziz zks znd znn zno zns zo- zob zod zoi zok zon zoo zos zsi zsz zzs zzz