-ic a-a a-c a-i aaa aac aad aai aak aan aao aar aas ac- aca acc acd aci ack acn aco acr acs ad- ada adc add adi adk adn ado adr ads ai- aia aic aid aii aik ain aio air ais aka akc akd aki akk akn ako akr aks an- ana anc and ani ank ann ano anr ans aoa aoc aod aoi aok aon aoo aor aos ar- ara arc ard ari ark arn aro arr ars as- asa asc asd asi ask asn aso asr ass c-- caa cac cad cai cak can cao car cas cca ccc ccd cci cck ccn cco ccr ccs cda cdc cdd cdi cdk cdn cdo cdr cds ci- cia cic cid cii cik cin cio cir cis cka ckc ckd cki cko cks cn- cna cnc cnd cni cnn cno cnr cns co- coa coc cod coi cok con coo cor cos cra crc crd cri crk crn cro crr crs csa csc csd csi csk csn cso csr css daa dac dad dai dak dan dao dar das dca dcc dcd dci dck dcn dco dcr dcs dda ddc ddd ddi ddk ddn ddo ddr dds di- dia dic did dii dik din dio dir dis dka dkc dki dkk dko dkr dks dna dnc dnd dni dnk dnn dno dnr dns doa doc dod doi dok don doo dor dos dra drc drd dri drk drn dro drr drs dsa dsc dsd dsi dsk dsn dso dsr dss i-d ia- iaa iac iad iai ian iao iar ias ica icc icd ici ick icn ico icr ics ida idc idd idi idk idn ido idr ids iia iic iid iii iin iio iir iis ika ikc iki ikk iko ikr iks in- ina inc ind ini ink inn ino inr ins io- ioa ioc iod ioi ion ioo ior ios ir- ira irc ird iri irk irn iro irr irs is- isa isc isd isi isk isn iso isr iss ka- kaa kac kad kai kak kan kao kar kas kca kcc kcd kci kck kcn kcr kcs kda kdc kdk kdo kdr kds kia kic kid kii kik kin kio kir kis kkc kki kkk kkn kkr kks kn- kna knc knd kni knk knn kno knr koa koc kod koi kok kon koo kor kos kra krc krd kri krk krn kro krr krs ksa ksc ksd ksi ksk ksn kso ksr kss n-i naa nac nad nai nak nan nao nar nas nca ncc ncd nci nck ncn nco ncr ncs nda ndc ndd ndi ndk ndn ndo ndr nds nia nic nid nii nik nin nio nir nis nka nkc nki nkk nkn nko nkr nks nna nnc nni nnk nnn nno nns no- noa noc nod noi nok non noo nor nos nra nrc nrd nri nrk nrn nro nrr nrs nsa nsc nsd nsi nsk nsn nso nsr nss o-i oaa oac oad oai oak oan oao oar oas oc- oca occ ocd oci ock ocn oco ocr ocs oda odc odd odi odn odo odr ods oia oic oid oii oik oin oio oir ois oka okc okd oki okk oko okr oks on- ona onc ond oni onk onn ono onr ons oo- ooa ooc ood ooi ook oon ooo oor oos or- ora orc ord ori ork orn oro orr ors os- osa osc osd osi osk osn oso osr oss ra- raa rac rad rai rak ran rao rar ras rca rcc rcd rci rcn rco rcr rcs rda rdc rdd rdi rdn rdo rdr rds ria ric rid rii rik rin rio rir ris rkc rkk rko rks rna rnc rnd rni rnn rno rnr rns roa roc rod roi rok ron roo ror ros rra rrc rrd rri rrk rrn rrr rrs rsa rsc rsd rsi rsk rsn rso rsr rss saa sac sad sai sak san sao sar sas sca scc scd sci sck scn sco scr scs sda sdc sdd sdi sdk sdn sdo sdr sds sia sic sid sii sik sin sio sir sis sk- ska skc skd ski skk sko skr sks sna snc snd sni snk snn sno snr sns soa soc sod soi sok son soo sor sos sr- sra src srd sri srk srn sro srr srs ss- ssa ssc ssd ssi ssk ssn sso ssr sss