a-a a-b a-i a-t aaa aab aad aai aak aan aao aas aat ab- aba abb abd abi abk abn abo abs abt ad- ada adb add adi adk adn ado ads adt ai- aia aib aid aii aik ain aio ais ait aka akb akd aki akk akn ako aks an- ana anb and ani ank ann ano ans ant aoa aob aod aoi aok aon aoo aos aot as- asa asb asd asi ask asn aso ass ast at- ata atb atd ati atn ato ats att baa bab bad bai bak ban bao bas bat bba bbb bbd bbi bbk bbn bbo bbs bbt bda bdb bdd bdi bdk bdo bds bdt bi- bia bib bid bii bik bin bio bis bit bka bkb bkk bkn bko bks bkt bna bnb bnd bni bnk bnn bno bns bnt boa bob bod boi bok bon boo bos bot bsa bsb bsd bsi bsk bsn bso bss bst bta btb btd bti btk btn bto bts btt daa dab dad dai dak dan dao das dat dba dbb dbd dbi dbk dbn dbo dbs dbt dda ddb ddd ddi ddk ddn ddo dds ddt di- dia dib did dii dik din dio dis dit dka dkb dki dkk dko dks dkt dna dnb dnd dni dnk dnn dno dns dnt doa dob dod doi dok don doo dos dot dsa dsb dsd dsi dsk dsn dso dss dst dta dtb dtd dti dtk dtn dto dts dtt i-d ia- iaa iab iad iai ian iao ias iat iba ibb ibd ibi ibk ibn ibo ibs ibt ida idb idd idi idk idn ido ids idt iia iib iid iii iin iio iis iit ika ikb iki ikk iko iks ikt in- ina inb ind ini ink inn ino ins int io- ioa iob iod ioi ion ioo ios iot is- isa isb isd isi isk isn iso iss ist ita itb itd iti itk itn ito its itt k-t ka- kaa kab kad kai kak kan kao kas kat kba kbb kbd kbi kbk kbn kbo kbs kda kdb kdk kdo kds kdt kia kib kid kii kik kin kio kis kit kkb kki kkk kkn kks kkt kn- kna knd kni knk knn kno knt koa kob kod koi kok kon koo kos kot ksa ksb ksd ksi ksk ksn kso kss kst kta ktb ktk ktn kto kts ktt n-i naa nab nad nai nak nan nao nas nat nba nbb nbd nbi nbk nbn nbo nbs nbt nda ndb ndd ndi ndk ndn ndo nds ndt nia nib nid nii nik nin nio nis nit nka nki nkk nkn nko nks nkt nna nnb nni nnk nnn nno nns nnt no- noa nob nod noi nok non noo nos not nsa nsb nsd nsi nsk nsn nso nss nst nta ntb ntd nti ntk ntn nto nts ntt o-i oaa oab oad oai oak oan oao oas oat ob- oba obb obd obi obk obn obo obs obt oda odb odd odi odn odo ods odt oia oib oid oii oik oin oio ois oit oka okb okd oki okk oko oks on- ona onb ond oni onk onn ono ons ont oo- ooa oob ood ooi ook oon ooo oos oot os- osa osb osd osi osk osn oso oss ost ot- ota otb otd oti otk otn oto ots ott saa sab sad sai sak san sao sas sat sba sbb sbd sbi sbk sbn sbo sbs sbt sda sdb sdd sdi sdk sdn sdo sds sdt sia sib sid sii sik sin sio sis sit sk- ska skb skd ski skk sko sks skt sna snb snd sni snk snn sno sns snt soa sob sod soi sok son soo sos sot ss- ssa ssb ssd ssi ssk ssn sso sss sst sta stb std sti stk stn sto sts stt taa tab tad tai tak tan tao tas tat tba tbb tbd tbi tbk tbn tbo tbs tbt tda tdb tdd tdi tdk tdn tdo tds tdt tia tib tid tii tik tin tio tis tit tka tkb tkk tko tks tkt tna tnb tnd tni tnk tnn tno tns tnt to- toa tob tod toi tok ton too tos tot tsa tsb tsd tsi tsk tsn tso tss tst tta ttb ttd tti ttk ttn tto tts ttt