-ic b-p bbb bbc bbd bbe bbh bbi bbn bbp bcb bcc bcd bce bch bci bcn bcp bdb bdc bdd bde bdh bdi bdp be- beb bec bed bee beh bei ben bep bhb bhc bhd bhe bhh bhi bhp bi- bib bic bid bie bih bii bin bip bnb bnc bnd bne bni bnn bnp bpb bpc bpd bpe bph bpi bpn bpp c-- cbb cbc cbd cbe cbh cbi cbn cbp ccb ccc ccd cce cch cci ccn ccp cdb cdc cdd cde cdh cdi cdn cdp ce- ceb cec ced cee ceh cei cen cep ch- chb chc chd che chh chi chn chp ci- cib cic cid cie cih cii cin cip cn- cnb cnc cnd cne cnh cni cnn cnp cpb cpc cpd cpe cph cpi cpn cpp dbb dbc dbd dbe dbh dbi dbn dbp dcb dcc dcd dce dci dcn dcp ddb ddc ddd dde ddh ddi ddn ddp de- deb dec ded dee deh dei den dep dh- dhb dhc dhd dhe dhh dhi dhp di- dib dic did die dih dii din dip dnb dnc dnd dne dnh dni dnn dnp dpb dpc dpd dpe dph dpi dpn dpp ebb ebc ebd ebe ebh ebi ebn ebp ec- ecb ecc ecd ece ech eci ecn ed- edb edc edd ede edh edi edn edp eeb eec eed eee een eep ehb ehc ehd ehe ehh ehi ehn ehp eib eic eid eie eii ein eip en- enb enc end ene enh eni enn enp ep- epb epc epd epe eph epi epn epp h-i hbb hbc hbd hbe hbh hbi hbn hbp hcb hcc hcd hce hch hci hcn hcp hdb hdc hdd hde hdh hdi hdn hdp he- heb hec hed hee heh hei hen hep hhb hhc hhd hhe hhh hhi hhn hhp hib hic hid hie hih hii hin hip hnb hnc hnd hne hnh hnn hpb hpc hpd hpe hph hpi hpn hpp i-d ibb ibc ibd ibe ibh ibi ibn ibp icb icc icd ice ich ici icn icp idb idc idd ide idh idi idn idp ie- iec ied iee iei ien iep ihb ihc ihd ihe ihh ihi ihn ihp iib iic iid iie iih iii iin iip in- inb inc ind ine inh ini inn inp ipb ipc ipd ipe ipi ipn ipp n-i nbb nbc nbd nbe nbi nbn nbp ncb ncc ncd nce nch nci ncn ncp ndb ndc ndd nde ndh ndi ndn ndp ne- neb nec ned nee neh nei nen nep nhb nhc nhd nhe nhh nhi nhn nhp nib nic nid nie nih nii nin nip nnb nnc nne nnh nni nnn nnp npb npc npd npe nph npi npn npp p-p pbb pbc pbd pbe pbi pbn pbp pcb pcc pcd pce pch pci pcn pcp pdb pdc pdd pde pdh pdi pdn pdp peb pec ped pee peh pei pen pep phb phc phd phe phi phn php pib pic pid pie pih pii pin pip pn- pnb pnc pnd pne pnh pni pnn pnp ppb ppc ppd ppe pph ppi ppn ppp