-ic a-a a-b a-c a-i aaa aab aac aag aai aan aao aas aay ab- aba abb abc abg abi abn abo abs aby ac- aca acb acc acg aci acn aco acs acy ag- aga agb agc agg agi agn ago ags agy ai- aia aib aic aig aii ain aio ais aiy an- ana anb anc ang ani ann ano ans any aoa aob aoc aog aoi aon aoo aos as- asa asb asc asg asi asn aso ass asy ay- aya ayc ayi ayn ayo ays baa bab bac bag bai ban bao bas bay bba bbb bbc bbg bbi bbn bbo bbs bby bca bcb bcc bcg bci bcn bco bcs bcy bga bgb bgc bgg bgi bgn bgo bgs bi- bia bib bic big bii bin bio bis biy bna bnb bnc bng bni bnn bno bns boa bob boc bog boi bon boo bos boy bsa bsb bsc bsg bsi bsn bso bss bsy by- bya byc byg byi byn byo bys c-- caa cab cac cag cai can cao cas cay cba cbb cbc cbg cbi cbn cbo cbs cby cca ccb ccc ccg cci ccn cco ccs cga cgb cgc cgg cgi cgn cgo cgs cgy ci- cia cib cic cig cii cin cio cis cn- cna cnb cnc cng cni cnn cno cns cny co- coa cob coc cog coi con coo cos coy csa csb csc csg csi csn cso css csy cya cyb cyc cyg cyn cyo cys gaa gab gac gag gai gan gao gas gay gba gbc gbg gbi gbn gbo gbs gby gca gcb gcc gcg gci gcn gco gcs gga ggb ggc ggg ggi ggn ggo ggs gia gib gic gig gii gin gio gis giy gna gnb gnc gni gnn gno gns goa gob goc gog goi gon goo gos goy gsa gsb gsc gsg gsi gsn gso gss gy- gya gyb gyn gyo gys ia- iaa iab iac iag iai ian iao ias iba ibb ibc ibg ibi ibn ibo ibs iby ica icb icc icg ici icn ico ics icy iga igb igc igg igi ign igo igs igy iia iib iic iii iin iio iis in- ina inb inc ing ini inn ino ins iny io- ioa iob ioc iog ioi ion ioo ios is- isa isb isc isg isi isn iso iss isy iya iyc iyo iys iyy n-i naa nab nac nag nai nan nao nas nay nba nbb nbc nbg nbi nbn nbo nbs nca ncb ncc ncg nci ncn nco ncs nga ngb ngc ngg ngi ngn ngo ngs nia nib nic nig nii nin nio nis nna nnb nnc nng nni nnn nno nns no- noa nob noc nog noi non noo nos noy nsa nsb nsc nsg nsi nsn nso nss nsy nya nyc nyg nyn nyo nys nyy o-i oaa oab oac oag oai oan oao oas ob- oba obb obc obg obi obn obo obs oby oc- oca ocb occ ocg oci ocn oco ocs oga ogc ogg ogi ogn ogo ogs ogy oia oib oic oii oin oio ois on- ona onb onc ong oni onn ono ons ony oo- ooa oob ooc oog ooi oon ooo oos os- osa osb osc osg osi osn oso oss oya oyi oyo oys saa sab sac sag sai san sao sas say sba sbb sbc sbg sbi sbn sbo sbs sby sca scb scc scg sci scn sco scs sga sgb sgc sgg sgi sgn sgo sgs sia sib sic sig sii sin sio sis sna snb snc sng sni snn sno sns sny soa sob soc sog soi son soo sos soy ss- ssa ssb ssc ssg ssi ssn sso sss sy- sya syb syc syg syi syn sys yaa yab yac yag yai yan yao yas yay ybc ybg ybi ybs yby yca ycc yci yco ycs ycy yga ygc ygo yig yii yin yio yis yna yng ynn yns yny yob yoc yog yoi yon yoo yos yoy ysa ysb ysc ysg ysi yso yss ysy yyb yyc yyg yys yyy