a-a a-c aaa aac aad aah aak aan aao aas ac- aca acc acd ach ack acn aco acs ad- ada adc add adh adk adn ado ads aha ahc ahd ahh ahk ahn aho ahs aka akc akd akh akk akn ako aks an- ana anc and anh ank ann ano ans aoa aoc aod aoh aok aon aoo aos as- asa asc asd ash ask asn aso ass c-- caa cac cad cah cak can cao cas cca ccc ccd cch cck ccn cco ccs cda cdc cdd cdh cdk cdn cdo cds ch- cha chc chd chh chk chn cho chs cka ckc ckd ckh cko cks cn- cna cnc cnd cnh cnn cno cns co- coa coc cod coh cok con coo cos csa csc csd csh csk csn cso css daa dac dad dah dak dan dao das dca dcc dcd dck dcn dco dcs dda ddc ddd ddh ddk ddn ddo dds dh- dha dhc dhd dhh dhk dho dhs dka dkc dkk dko dks dna dnc dnd dnh dnk dnn dno dns doa doc dod doh dok don doo dos dsa dsc dsd dsh dsk dsn dso dss haa hac had hah hak han hao has hca hcc hcd hch hck hcn hco hcs hda hdc hdd hdh hdk hdn hdo hds hha hhc hhd hhh hhk hhn hho hhs hka hkd hkh hkk hkn hko hks hna hnc hnd hnh hnk hnn hno hns hoa hoc hod hoh hok hon hoo hos hsa hsc hsd hsh hsk hsn hss ka- kaa kac kad kah kak kan kao kas kca kcc kcd kch kck kcn kcs kda kdc kdh kdk kdo kds kha khh khk khn kho khs kkc kkh kkk kkn kks kn- kna knc knd knk knn kno koa koc kod koh kok kon koo kos ksa ksc ksd ksh ksk ksn kso kss naa nac nad nah nak nan nao nas nca ncc ncd nch nck ncn nco ncs nda ndc ndd ndh ndk ndn ndo nds nha nhc nhd nhh nhk nhn nhs nka nkc nkk nkn nko nks nna nnc nnh nnk nnn nno nns no- noa noc nod noh nok non noo nos nsa nsc nsd nsh nsk nsn nso nss oaa oac oad oah oak oan oao oas oc- oca occ ocd och ock ocn oco ocs oda odc odd odh odn odo ods oha ohc ohd ohh ohn oho ohs oka okc okd okk oko oks on- ona onc ond onh onk onn ono ons oo- ooa ooc ood ooh ook oon ooo oos os- osa osc osd osh osk osn oso oss saa sac sad sah sak san sao sas sca scc scd sch sck scn sco scs sda sdc sdd sdh sdk sdn sdo sds sh- sha shc shd shh shk shn sho shs sk- ska skc skd skh skk sko sks sna snc snd snk snn sno sns soa soc sod soh sok son soo sos ss- ssa ssc ssd ssh ssk ssn sso sss