a-a a-c aaa aac aad aak aam aan aao ac- aca acc acd ack acm acn aco ad- ada adc add adk adm adn ado aka akc akd akk akm akn ako ama amc amd amk amm amn amo an- ana anc and ank anm ann ano aoa aoc aod aok aom aon aoo c-- caa cac cad cak cam can cao cca ccc ccd cck ccm ccn cco cda cdc cdd cdk cdm cdn cdo cka ckc ckd ckm cko cma cmc cmd cmk cmm cmn cmo cn- cna cnc cnd cnm cnn cno co- coa coc cod cok com con coo daa dac dad dak dam dan dao dca dcc dcd dck dcm dcn dco dda ddc ddd ddk ddm ddn ddo dka dkc dkk dkm dko dma dmc dmd dmk dmm dmn dmo dna dnc dnd dnk dnm dnn dno doa doc dod dok dom don doo ka- kaa kac kad kak kam kan kao kca kcc kcd kck kcm kcn kda kdc kdk kdm kdo kkc kkk kkm kkn kma kmc kmd kmk kmm kmo kn- kna knc knd knk knm knn kno koa koc kod kok kom kon koo m-o maa mac mad mak mam man mao mc- mca mcc mcd mck mcm mcn mco mda mdc mdd mdk mdm mdn mdo mka mkc mkd mkk mkm mkn mko mma mmc mmd mmk mmm mmn mmo mna mnc mnk mnm mnn mno moa moc mod mok mom mon moo naa nac nad nak nam nan nao nca ncc ncd nck ncm ncn nco nda ndc ndd ndk ndm ndn ndo nka nkc nkk nkm nkn nko nma nmc nmd nmk nmm nmn nmo nna nnc nnk nnm nnn nno no- noa noc nod nok nom non noo oaa oac oad oak oam oan oao oc- oca occ ocd ock ocm ocn oco oda odc odd odm odn odo oka okc okd okk oko om- oma omc omd omm omn omo on- ona onc ond onk onn ono oo- ooa ooc ood ook oom oon ooo