-ic a-a a-b a-c a-i aaa aab aac aag aai aak aap aay ab- aba abb abc abg abi abk abp aby ac- aca acb acc acg aci ack acp acy ag- aga agb agc agg agi agk agp agy ai- aia aib aic aig aii aik aip aiy aka akb akc akg aki akk akp ap- apa apb apc apg api apk app apy ay- aya ayc ayi ayk ayp b-p baa bab bac bag bai bak bap bay bba bbb bbc bbg bbi bbk bbp bby bca bcb bcc bcg bci bck bcp bcy bga bgb bgc bgg bgi bgk bgp bi- bia bib bic big bii bik bip biy bka bkb bkc bkg bkk bkp bpa bpb bpc bpg bpi bpp bpy by- bya byc byg byi byk byp c-- caa cab cac cag cai cak cap cay cba cbb cbc cbg cbi cbk cbp cby cca ccb ccc ccg cci cck ccp cga cgb cgc cgg cgi cgp cgy ci- cia cib cic cig cii cik cip cka ckb ckc cki cky cpa cpb cpc cpg cpi cpk cpp cya cyb cyc cyg cyk cyp g-p gaa gab gac gag gai gak gap gay gba gbc gbg gbi gbk gbp gby gca gcb gcc gcg gci gck gcp gga ggb ggc ggg ggi ggp gia gib gic gig gii gik gip giy gka gkb gkp gpa gpb gpc gpg gpi gpk gpp gy- gya gyb gyp ia- iaa iab iac iag iai iap iba ibb ibc ibg ibi ibk ibp iby ica icb icc icg ici ick icp icy iga igb igc igg igi igk igp igy iia iib iic iii iip ika ikb ikc iki ikk ipa ipb ipc ipg ipi ipp ipy iya iyc iyy ka- kaa kab kac kag kai kak kap kay kba kbb kbc kbi kbk kbp kca kcb kcc kcg kci kck kcp kga kgb kgc kgi kgp kgy kia kib kic kig kii kik kip kkb kkc kki kkk kkp kky kpa kpc kpi kpk kpp kya kyc kyp p-p paa pab pac pag pai pak pap pay pba pbb pbc pbg pbi pbk pbp pby pca pcb pcc pcg pci pck pcp pga pgb pgc pgg pgi pgk pgp pgy pia pib pic pig pii pik pip pka pkb pkc pkg pki pkp pky ppa ppb ppc ppg ppi ppk ppp py- pya pyb pyc pyg pyk yaa yab yac yag yai yak yap yay ybc ybg ybi ybp yby yca ycc yci ycp ycy yga ygc yig yii yip yka yki ykk ypa ypg yyb yyc yyg yyy