-ic a-a a-b a-c a-i aaa aab aac aag aai aam aan aao ab- aba abb abc abg abi abm abn abo ac- aca acb acc acg aci acm acn aco ag- aga agb agc agg agi agm agn ago ai- aia aib aic aig aii aim ain aio ama amb amc amg ami amm amn amo an- ana anb anc ang ani anm ann ano aoa aob aoc aog aoi aom aon aoo baa bab bac bag bai bam ban bao bba bbb bbc bbg bbi bbm bbn bbo bca bcb bcc bcg bci bcm bcn bco bga bgb bgc bgg bgi bgm bgn bgo bi- bia bib bic big bii bim bin bio bma bmb bmc bmg bmi bmm bmn bmo bna bnb bnc bng bni bnn bno boa bob boc bog boi bom bon boo c-- caa cab cac cag cai cam can cao cba cbb cbc cbg cbi cbm cbn cbo cca ccb ccc ccg cci ccm ccn cco cga cgb cgc cgg cgi cgm cgn cgo ci- cia cib cic cig cii cim cin cio cma cmb cmc cmg cmi cmm cmn cmo cn- cna cnb cnc cng cni cnm cnn cno co- coa cob coc cog coi com con coo gaa gab gac gag gai gam gan gao gba gbc gbg gbi gbm gbn gbo gca gcb gcc gcg gci gcm gcn gco gga ggb ggc ggg ggi ggm ggn ggo gia gib gic gig gii gim gin gio gma gmb gmc gmg gmi gmm gmn gmo gna gnb gnc gni gnm gnn gno goa gob goc gog goi gom gon goo ia- iaa iab iac iag iai iam ian iao iba ibb ibc ibg ibi ibm ibn ibo ica icb icc icg ici icm icn ico iga igb igc igg igi igm ign igo iia iib iic iii iim iin iio im- ima imb imc img imi imm imn imo in- ina inb inc ing ini inm inn ino io- ioa iob ioc iog ioi iom ion ioo m-o maa mab mac mag mai mam man mao mba mbb mbc mbg mbi mbm mbo mc- mca mcb mcc mcg mci mcm mcn mco mga mgb mgc mgi mgm mgn mgo mi- mia mib mic mig mii mim min mio mma mmb mmc mmg mmi mmm mmn mmo mna mnb mnc mng mni mnm mnn mno moa mob moc mog moi mom mon moo n-i naa nab nac nag nai nam nan nao nba nbb nbc nbg nbi nbm nbn nbo nca ncb ncc ncg nci ncm ncn nco nga ngb ngc ngg ngi ngm ngn ngo nia nib nic nig nii nim nin nio nma nmb nmc nmg nmi nmm nmn nmo nna nnb nnc nng nni nnm nnn nno no- noa nob noc nog noi nom non noo o-i oaa oab oac oag oai oam oan oao ob- oba obb obc obg obi obm obn obo oc- oca ocb occ ocg oci ocm ocn oco oga ogc ogg ogi ogn ogo oia oib oic oii oim oin oio om- oma omb omc omg omi omm omn omo on- ona onb onc ong oni onn ono oo- ooa oob ooc oog ooi oom oon ooo