a-a a-c aaa aac aah aaj aak aan aao ac- aca acc ach acj ack acn aco aha ahc ahh ahj ahk ahn aho aja ajc ajh ajj ajk ajn ajo aka akc akh akj akk akn ako an- ana anc anh anj ank ann ano aoa aoc aoh aoj aok aon aoo c-- c-j caa cac cah caj cak can cao cca ccc cch ccj cck ccn cco ch- cha chc chh chk chn cho cja cjc cjk cka ckc ckh cko cn- cna cnc cnh cnj cnn cno co- coa coc coh coj cok con coo haa hac hah haj hak han hao hca hcc hch hcj hck hcn hco hha hhc hhh hhj hhk hhn hho hja hjk hjn hjo hka hkh hkk hkn hko hna hnc hnh hnj hnk hnn hno hoa hoc hoh hok hon hoo jaa jac jah jaj jak jan jao jca jcc jch jck jco jha jhc jhj jhn jho jja jjc jjj jjk jka jkh jkk jkn jko jna jnc jnh jnj jnn jno joa joc joh joj jok jon joo ka- kaa kac kah kaj kak kan kao kca kcc kch kck kcn kha khh khj khk khn kho kjc kkc kkh kkk kkn kn- kna knc knk knn kno koa koc koh kok kon koo naa nac nah naj nak nan nao nca ncc nch nck ncn nco nha nhc nhh nhj nhk nhn nja njc njk njn nka nkc nkj nkk nkn nko nna nnc nnh nnk nnn nno no- noa noc noh noj nok non noo oaa oac oah oaj oak oan oao oc- oca occ och ocj ock ocn oco oha ohc ohh ohn oho oja ojc ojo oka okc okj okk oko on- ona onc onh onj onk onn ono oo- ooa ooc ooh ook oon ooo