-ic a-a a-b a-c a-i aaa aab aac aag aah aai aak aan aao ab- aba abb abc abg abh abi abk abn abo ac- aca acb acc acg ach aci ack acn aco ag- aga agb agc agg agh agi agk agn ago aha ahb ahc ahg ahh ahi ahk ahn aho ai- aia aib aic aig aih aii aik ain aio aka akb akc akg akh aki akk akn ako an- ana anb anc ang anh ani ank ann ano aoa aob aoc aog aoh aoi aok aon aoo baa bab bac bag bah bai bak ban bao bba bbb bbc bbg bbh bbi bbk bbn bbo bca bcb bcc bcg bch bci bck bcn bco bga bgb bgc bgg bgh bgi bgk bgn bgo bha bhb bhc bhg bhh bhi bhk bho bi- bia bib bic big bih bii bik bin bio bka bkb bkc bkg bkk bkn bko bna bnb bnc bng bni bnk bnn bno boa bob boc bog boh boi bok bon boo c-- caa cab cac cag cah cai cak can cao cba cbb cbc cbg cbh cbi cbk cbn cbo cca ccb ccc ccg cch cci cck ccn cco cga cgb cgc cgg cgh cgi cgn cgo ch- cha chb chc chg chh chi chk chn cho ci- cia cib cic cig cih cii cik cin cio cka ckb ckc ckh cki cko cn- cna cnb cnc cng cnh cni cnn cno co- coa cob coc cog coh coi cok con coo gaa gab gac gag gah gai gak gan gao gba gbc gbg gbh gbi gbk gbn gbo gca gcb gcc gcg gch gci gck gcn gco gga ggb ggc ggg ggh ggi ggn ggo gha ghb ghc ghg ghh ghi ghn gho gia gib gic gig gih gii gik gin gio gka gkb gkh gkn gko gna gnb gnc gni gnn gno goa gob goc gog goh goi gok gon goo h-i haa hab hac hag hah hai hak han hao hba hbb hbc hbg hbh hbi hbk hbn hbo hca hcb hcc hcg hch hci hck hcn hco hga hgb hgc hgg hgh hgi hgk hgn hgo hha hhb hhc hhg hhh hhi hhk hhn hho hia hib hic hig hih hii hik hin hio hka hkb hkg hkh hki hkk hkn hko hna hnb hnc hng hnh hnk hnn hno hoa hob hoc hog hoh hoi hok hon hoo ia- iaa iab iac iag iah iai ian iao iba ibb ibc ibg ibh ibi ibk ibn ibo ica icb icc icg ich ici ick icn ico iga igb igc igg igh igi igk ign igo iha ihb ihc ihg ihh ihi ihk ihn iho iia iib iic iih iii iin iio ika ikb ikc iki ikk iko in- ina inb inc ing inh ini ink inn ino io- ioa iob ioc iog ioh ioi ion ioo ka- kaa kab kac kag kah kai kak kan kao kba kbb kbc kbh kbi kbk kbn kbo kca kcb kcc kcg kch kci kck kcn kga kgb kgc kgh kgi kgo kha khh khi khk khn kho kia kib kic kig kih kii kik kin kio kkb kkc kkh kki kkk kkn kn- kna knc kng kni knk knn kno koa kob koc kog koh koi kok kon koo n-i naa nab nac nag nah nai nak nan nao nba nbb nbc nbg nbi nbk nbn nbo nca ncb ncc ncg nch nci nck ncn nco nga ngb ngc ngg ngh ngi ngk ngn ngo nha nhb nhc nhg nhh nhi nhk nhn nia nib nic nig nih nii nik nin nio nka nkc nki nkk nkn nko nna nnb nnc nng nnh nni nnk nnn nno no- noa nob noc nog noh noi nok non noo o-i oaa oab oac oag oah oai oak oan oao ob- oba obb obc obg obh obi obk obn obo oc- oca ocb occ ocg och oci ock ocn oco oga ogc ogg ogh ogi ogn ogo oha ohc ohg ohh ohi ohn oho oia oib oic oii oik oin oio oka okb okc okg oki okk oko on- ona onb onc ong onh oni onk onn ono oo- ooa oob ooc oog ooh ooi ook oon ooo