-ic a-a a-b a-c a-i aaa aab aac aai aam aan aas aay ab- aba abb abc abi abm abn abs aby ac- aca acb acc aci acm acn acs acy ai- aia aib aic aii aim ain ais aiy ama amb amc ami amm amn ams amy an- ana anb anc ani anm ann ans any as- asa asb asc asi asm asn ass asy ay- aya ayc ayi ayn ays baa bab bac bai bam ban bas bay bba bbb bbc bbi bbm bbn bbs bby bca bcb bcc bci bcm bcn bcs bcy bi- bia bib bic bii bim bin bis biy bma bmb bmc bmi bmm bmn bms bna bnb bnc bni bnn bns bsa bsb bsc bsi bsm bsn bss bsy by- bya byc byi bym byn bys c-- caa cab cac cai cam can cas cay cba cbb cbc cbi cbm cbn cbs cby cca ccb ccc cci ccm ccn ccs ci- cia cib cic cii cim cin cis cma cmb cmc cmi cmm cmn cms cmy cn- cna cnb cnc cni cnm cnn cns cny csa csb csc csi csm csn css csy cya cyb cyc cym cyn cys ia- iaa iab iac iai iam ian ias iba ibb ibc ibi ibm ibn ibs iby ica icb icc ici icm icn ics icy iia iib iic iii iim iin iis im- ima imb imc imi imm imn ims imy in- ina inb inc ini inm inn ins iny is- isa isb isc isi ism isn iss isy iya iyc iym iys iyy maa mab mac mai mam man mas may mba mbb mbc mbi mbm mbs mc- mca mcb mcc mci mcm mcn mcs mi- mia mib mic mii mim min mis miy mma mmb mmc mmi mmm mmn mms mna mnb mnc mni mnm mnn mns msa msb msc msi msm msn mss msy my- mya myb myc mym myn mys n-i naa nab nac nai nam nan nas nay nba nbb nbc nbi nbm nbn nbs nca ncb ncc nci ncm ncn ncs nia nib nic nii nim nin nis nma nmb nmc nmi nmm nmn nms nna nnb nnc nni nnm nnn nns nsa nsb nsc nsi nsm nsn nss nsy nya nyc nym nyn nys nyy saa sab sac sai sam san sas say sba sbb sbc sbi sbm sbn sbs sby sca scb scc sci scm scn scs sia sib sic sii sim sin sis sma smb smc smi smm smn sms smy sna snb snc sni snm snn sns sny ss- ssa ssb ssc ssi ssm ssn sss sy- sya syb syc syi sym syn sys yaa yab yac yai yam yan yas yay ybc ybi ybm ybs yby yca ycc yci ycs ycy yii yim yin yis yma ymc ymi ymm yms yna ynn yns yny ysa ysb ysc ysi ysm yss ysy yyb yyc yys yyy