-ic a-a a-b a-c a-i aaa aab aac aag aai aak aam aan aao ab- aba abb abc abg abi abk abm abn abo ac- aca acb acc acg aci ack acm acn aco ag- aga agb agc agg agi agk agm agn ago ai- aia aib aic aig aii aik aim ain aio aka akb akc akg aki akk akm akn ako ama amb amc amg ami amk amm amn amo an- ana anb anc ang ani ank anm ann ano aoa aob aoc aog aoi aok aom aon aoo baa bab bac bag bai bak bam ban bao bba bbb bbc bbg bbi bbk bbm bbn bbo bca bcb bcc bcg bci bck bcm bcn bco bga bgb bgc bgg bgi bgk bgm bgn bgo bi- bia bib bic big bii bik bim bin bio bka bkb bkc bkg bkk bkm bkn bko bma bmb bmc bmg bmi bmk bmm bmn bmo bna bnb bnc bng bni bnk bnn bno boa bob boc bog boi bok bom bon boo c-- caa cab cac cag cai cak cam can cao cba cbb cbc cbg cbi cbk cbm cbn cbo cca ccb ccc ccg cci cck ccm ccn cco cga cgb cgc cgg cgi cgm cgn cgo ci- cia cib cic cig cii cik cim cin cio cka ckb ckc cki ckm cko cma cmb cmc cmg cmi cmk cmm cmn cmo cn- cna cnb cnc cng cni cnm cnn cno co- coa cob coc cog coi cok com con coo gaa gab gac gag gai gak gam gan gao gba gbc gbg gbi gbk gbm gbn gbo gca gcb gcc gcg gci gck gcm gcn gco gga ggb ggc ggg ggi ggm ggn ggo gia gib gic gig gii gik gim gin gio gka gkb gkm gkn gko gma gmb gmc gmg gmi gmm gmn gmo gna gnb gnc gni gnm gnn gno goa gob goc gog goi gok gom gon goo ia- iaa iab iac iag iai iam ian iao iba ibb ibc ibg ibi ibk ibm ibn ibo ica icb icc icg ici ick icm icn ico iga igb igc igg igi igk igm ign igo iia iib iic iii iim iin iio ika ikb ikc iki ikk iko im- ima imb imc img imi imm imn imo in- ina inb inc ing ini ink inm inn ino io- ioa iob ioc iog ioi iom ion ioo ka- kaa kab kac kag kai kak kam kan kao kba kbb kbc kbi kbk kbm kbn kbo kca kcb kcc kcg kci kck kcm kcn kga kgb kgc kgi kgm kgo kia kib kic kig kii kik kim kin kio kkb kkc kki kkk kkm kkn kma kmb kmc kmg kmi kmk kmm kmo kn- kna knc kng kni knk knm knn kno koa kob koc kog koi kok kom kon koo m-o maa mab mac mag mai mak mam man mao mba mbb mbc mbg mbi mbk mbm mbo mc- mca mcb mcc mcg mci mck mcm mcn mco mga mgb mgc mgi mgk mgm mgn mgo mi- mia mib mic mig mii mik mim min mio mka mkb mkc mkg mkk mkm mkn mko mma mmb mmc mmg mmi mmk mmm mmn mmo mna mnb mnc mng mni mnk mnm mnn mno moa mob moc mog moi mok mom mon moo n-i naa nab nac nag nai nak nam nan nao nba nbb nbc nbg nbi nbk nbm nbn nbo nca ncb ncc ncg nci nck ncm ncn nco nga ngb ngc ngg ngi ngk ngm ngn ngo nia nib nic nig nii nik nim nin nio nka nkc nki nkk nkm nkn nko nma nmb nmc nmg nmi nmk nmm nmn nmo nna nnb nnc nng nni nnk nnm nnn nno no- noa nob noc nog noi nok nom non noo o-i oaa oab oac oag oai oak oam oan oao ob- oba obb obc obg obi obk obm obn obo oc- oca ocb occ ocg oci ock ocm ocn oco oga ogc ogg ogi ogn ogo oia oib oic oii oik oim oin oio oka okb okc okg oki okk oko om- oma omb omc omg omi omm omn omo on- ona onb onc ong oni onk onn ono oo- ooa oob ooc oog ooi ook oom oon ooo