-ic a-a a-b a-c a-i a-t aaa aab aac aad aai aak aan aao aar aas aat ab- aba abb abc abd abi abk abn abo abr abs abt ac- aca acb acc acd aci ack acn aco acr acs act ad- ada adb adc add adi adk adn ado adr ads adt ai- aia aib aic aid aii aik ain aio air ais ait aka akb akc akd aki akk akn ako akr aks an- ana anb anc and ani ank ann ano anr ans ant aoa aob aoc aod aoi aok aon aoo aor aos aot ar- ara arb arc ard ari ark arn aro arr ars art as- asa asb asc asd asi ask asn aso asr ass ast at- ata atb atc atd ati atn ato atr ats att baa bab bac bad bai bak ban bao bar bas bat bba bbb bbc bbd bbi bbk bbn bbo bbr bbs bbt bca bcb bcc bcd bci bck bcn bco bcr bcs bct bda bdb bdc bdd bdi bdk bdo bdr bds bdt bi- bia bib bic bid bii bik bin bio bir bis bit bka bkb bkc bkk bkn bko bkr bks bkt bna bnb bnc bnd bni bnk bnn bno bnr bns bnt boa bob boc bod boi bok bon boo bor bos bot bra brb brd bri brk brn bro brr brs brt bsa bsb bsc bsd bsi bsk bsn bso bsr bss bst bta btb btc btd bti btk btn bto btr bts btt c-- caa cab cac cad cai cak can cao car cas cat cba cbb cbc cbd cbi cbk cbn cbo cbr cbs cbt cca ccb ccc ccd cci cck ccn cco ccr ccs cct cda cdb cdc cdd cdi cdk cdn cdo cdr cds cdt ci- cia cib cic cid cii cik cin cio cir cis cit cka ckb ckc ckd cki cko cks ckt cn- cna cnb cnc cnd cni cnn cno cnr cns cnt co- coa cob coc cod coi cok con coo cor cos cot cra crb crc crd cri crk crn cro crr crs crt csa csb csc csd csi csk csn cso csr css cst cta ctb ctc ctd cti ctk ctn cto ctr cts ctt daa dab dac dad dai dak dan dao dar das dat dba dbb dbc dbd dbi dbk dbn dbo dbr dbs dbt dca dcb dcc dcd dci dck dcn dco dcr dcs dct dda ddb ddc ddd ddi ddk ddn ddo ddr dds ddt di- dia dib dic did dii dik din dio dir dis dit dka dkb dkc dki dkk dko dkr dks dkt dna dnb dnc dnd dni dnk dnn dno dnr dns dnt doa dob doc dod doi dok don doo dor dos dot dra drb drc drd dri drk drn dro drr drs drt dsa dsb dsc dsd dsi dsk dsn dso dsr dss dst dta dtb dtc dtd dti dtk dtn dto dtr dts dtt i-d ia- iaa iab iac iad iai ian iao iar ias iat iba ibb ibc ibd ibi ibk ibn ibo ibr ibs ibt ica icb icc icd ici ick icn ico icr ics ict ida idb idc idd idi idk idn ido idr ids idt iia iib iic iid iii iin iio iir iis iit ika ikb ikc iki ikk iko ikr iks ikt in- ina inb inc ind ini ink inn ino inr ins int io- ioa iob ioc iod ioi ion ioo ior ios iot ir- ira irb irc ird iri irk irn iro irr irs irt is- isa isb isc isd isi isk isn iso isr iss ist ita itb itc itd iti itk itn ito its itt k-t ka- kaa kab kac kad kai kak kan kao kar kas kat kba kbb kbc kbd kbi kbk kbn kbo kbr kbs kca kcb kcc kcd kci kck kcn kcr kcs kct kda kdb kdc kdk kdo kdr kds kdt kia kib kic kid kii kik kin kio kir kis kit kkb kkc kki kkk kkn kkr kks kkt kn- kna knc knd kni knk knn kno knr knt koa kob koc kod koi kok kon koo kor kos kot kra krc krd kri krk krn kro krr krs krt ksa ksb ksc ksd ksi ksk ksn kso ksr kss kst kta ktb ktc ktk ktn kto ktr kts ktt n-i naa nab nac nad nai nak nan nao nar nas nat nba nbb nbc nbd nbi nbk nbn nbo nbr nbs nbt nca ncb ncc ncd nci nck ncn nco ncr ncs nct nda ndb ndc ndd ndi ndk ndn ndo ndr nds ndt nia nib nic nid nii nik nin nio nir nis nit nka nkc nki nkk nkn nko nkr nks nkt nna nnb nnc nni nnk nnn nno nns nnt no- noa nob noc nod noi nok non noo nor nos not nra nrb nrc nrd nri nrk nrn nro nrr nrs nrt nsa nsb nsc nsd nsi nsk nsn nso nsr nss nst nta ntb ntc ntd nti ntk ntn nto ntr nts ntt o-i oaa oab oac oad oai oak oan oao oar oas oat ob- oba obb obc obd obi obk obn obo obr obs obt oc- oca ocb occ ocd oci ock ocn oco ocr ocs oct oda odb odc odd odi odn odo odr ods odt oia oib oic oid oii oik oin oio oir ois oit oka okb okc okd oki okk oko okr oks on- ona onb onc ond oni onk onn ono onr ons ont oo- ooa oob ooc ood ooi ook oon ooo oor oos oot or- ora orb orc ord ori ork orn oro orr ors ort os- osa osb osc osd osi osk osn oso osr oss ost ot- ota otb otc otd oti otk otn oto otr ots ott ra- raa rab rac rad rai rak ran rao rar ras rat rba rbb rbc rbd rbi rbk rbn rbo rbr rbs rbt rca rcb rcc rcd rci rcn rco rcr