a-a a-c aaa aac aad aah aak aan aao ac- aca acc acd ach ack acn aco ad- ada adc add adh adk adn ado aha ahc ahd ahh ahk ahn aho aka akc akd akh akk akn ako an- ana anc and anh ank ann ano aoa aoc aod aoh aok aon aoo c-- caa cac cad cah cak can cao cca ccc ccd cch cck ccn cco cda cdc cdd cdh cdk cdn cdo ch- cha chc chd chh chk chn cho cka ckc ckd ckh cko cn- cna cnc cnd cnh cnn cno co- coa coc cod coh cok con coo daa dac dad dah dak dan dao dca dcc dcd dck dcn dco dda ddc ddd ddh ddk ddn ddo dh- dha dhc dhd dhh dhk dho dka dkc dkk dko dna dnc dnd dnh dnk dnn dno doa doc dod doh dok don doo haa hac had hah hak han hao hca hcc hcd hch hck hcn hco hda hdc hdd hdh hdk hdn hdo hha hhc hhd hhh hhk hhn hho hka hkd hkh hkk hkn hko hna hnc hnd hnh hnk hnn hno hoa hoc hod hoh hok hon hoo ka- kaa kac kad kah kak kan kao kca kcc kcd kch kck kcn kda kdc kdh kdk kdo kha khh khk khn kho kkc kkh kkk kkn kn- kna knc knd knk knn kno koa koc kod koh kok kon koo naa nac nad nah nak nan nao nca ncc ncd nch nck ncn nco nda ndc ndd ndh ndk ndn ndo nha nhc nhd nhh nhk nhn nka nkc nkk nkn nko nna nnc nnh nnk nnn nno no- noa noc nod noh nok non noo oaa oac oad oah oak oan oao oc- oca occ ocd och ock ocn oco oda odc odd odh odn odo oha ohc ohd ohh ohn oho oka okc okd okk oko on- ona onc ond onh onk onn ono oo- ooa ooc ood ooh ook oon ooo