-ic a-a a-b a-c a-i aaa aab aac aag aai aak aan aap ab- aba abb abc abg abi abk abn abp ac- aca acb acc acg aci ack acn acp ag- aga agb agc agg agi agk agn agp ai- aia aib aic aig aii aik ain aip aka akb akc akg aki akk akn akp an- ana anb anc ang ani ank ann anp ap- apa apb apc apg api apk apn app b-p baa bab bac bag bai bak ban bap bba bbb bbc bbg bbi bbk bbn bbp bca bcb bcc bcg bci bck bcn bcp bga bgb bgc bgg bgi bgk bgn bgp bi- bia bib bic big bii bik bin bip bka bkb bkc bkg bkk bkn bkp bna bnb bnc bng bni bnk bnn bnp bpa bpb bpc bpg bpi bpn bpp c-- caa cab cac cag cai cak can cap cba cbb cbc cbg cbi cbk cbn cbp cca ccb ccc ccg cci cck ccn ccp cga cgb cgc cgg cgi cgn cgp ci- cia cib cic cig cii cik cin cip cka ckb ckc cki cn- cna cnb cnc cng cni cnn cnp cpa cpb cpc cpg cpi cpk cpn cpp g-p gaa gab gac gag gai gak gan gap gba gbc gbg gbi gbk gbn gbp gca gcb gcc gcg gci gck gcn gcp gga ggb ggc ggg ggi ggn ggp gia gib gic gig gii gik gin gip gka gkb gkn gkp gna gnb gnc gni gnn gnp gpa gpb gpc gpg gpi gpk gpn gpp ia- iaa iab iac iag iai ian iap iba ibb ibc ibg ibi ibk ibn ibp ica icb icc icg ici ick icn icp iga igb igc igg igi igk ign igp iia iib iic iii iin iip ika ikb ikc iki ikk in- ina inb inc ing ini ink inn inp ipa ipb ipc ipg ipi ipn ipp ka- kaa kab kac kag kai kak kan kap kba kbb kbc kbi kbk kbn kbp kca kcb kcc kcg kci kck kcn kcp kga kgb kgc kgi kgp kia kib kic kig kii kik kin kip kkb kkc kki kkk kkn kkp kn- kna knc kng kni knk knn knp kpa kpc kpi kpk kpn kpp n-i naa nab nac nag nai nak nan nap nba nbb nbc nbg nbi nbk nbn nbp nca ncb ncc ncg nci nck ncn ncp nga ngb ngc ngg ngi ngk ngn ngp nia nib nic nig nii nik nin nip nka nkc nki nkk nkn nkp nna nnb nnc nng nni nnk nnn nnp npa npb npc npg npi npn npp p-p paa pab pac pag pai pak pan pap pba pbb pbc pbg pbi pbk pbn pbp pca pcb pcc pcg pci pck pcn pcp pga pgb pgc pgg pgi pgk pgn pgp pia pib pic pig pii pik pin pip pka pkb pkc pkg pki pkn pkp pn- pna pnb pnc png pni pnk pnn pnp ppa ppb ppc ppg ppi ppk ppn ppp