-ic b-p bbb bbc bbd bbh bbi bbn bbo bbp bcb bcc bcd bch bci bcn bco bcp bdb bdc bdd bdh bdi bdo bdp bhb bhc bhd bhh bhi bho bhp bi- bib bic bid bih bii bin bio bip bnb bnc bnd bni bnn bno bnp bob boc bod boh boi bon boo bop bpb bpc bpd bph bpi bpn bpo bpp c-- cbb cbc cbd cbh cbi cbn cbo cbp ccb ccc ccd cch cci ccn cco ccp cdb cdc cdd cdh cdi cdn cdo cdp ch- chb chc chd chh chi chn cho chp ci- cib cic cid cih cii cin cio cip cn- cnb cnc cnd cnh cni cnn cno cnp co- cob coc cod coh coi con coo cop cpb cpc cpd cph cpi cpn cpo cpp dbb dbc dbd dbh dbi dbn dbo dbp dcb dcc dcd dci dcn dco dcp ddb ddc ddd ddh ddi ddn ddo ddp dh- dhb dhc dhd dhh dhi dho dhp di- dib dic did dih dii din dio dip dnb dnc dnd dnh dni dnn dno dnp dob doc dod doh doi don doo dop dpb dpc dpd dph dpi dpn dpo dpp h-i hbb hbc hbd hbh hbi hbn hbo hbp hcb hcc hcd hch hci hcn hco hcp hdb hdc hdd hdh hdi hdn hdo hdp hhb hhc hhd hhh hhi hhn hho hhp hib hic hid hih hii hin hio hip hnb hnc hnd hnh hnn hno hob hoc hod hoh hoi hon hoo hop hpb hpc hpd hph hpi hpn hpo hpp i-d ibb ibc ibd ibh ibi ibn ibo ibp icb icc icd ich ici icn ico icp idb idc idd idh idi idn ido idp ihb ihc ihd ihh ihi ihn iho ihp iib iic iid iih iii iin iio iip in- inb inc ind inh ini inn ino inp io- iob ioc iod ioh ioi ion ioo iop ipb ipc ipd ipi ipn ipo ipp n-i nbb nbc nbd nbi nbn nbo nbp ncb ncc ncd nch nci ncn nco ncp ndb ndc ndd ndh ndi ndn ndo ndp nhb nhc nhd nhh nhi nhn nhp nib nic nid nih nii nin nio nip nnb nnc nnh nni nnn nno nnp no- nob noc nod noh noi non noo nop npb npc npd nph npi npn npo npp o-i ob- obb obc obd obh obi obn obo obp oc- ocb occ ocd och oci ocn oco ocp odb odc odd odh odi odn odo odp ohc ohd ohh ohi ohn oho ohp oib oic oid oii oin oio oip on- onb onc ond onh oni onn ono onp oo- oob ooc ood ooh ooi oon ooo oop op- opb opc opd oph opi opn opo opp p-p pbb pbc pbd pbi pbn pbo pbp pcb pcc pcd pch pci pcn pco pcp pdb pdc pdd pdh pdi pdn pdo pdp phb phc phd phi phn pho php pib pic pid pih pii pin pio pip pn- pnb pnc pnd pnh pni pnn pno pnp pob poc pod poh poi pon poo pop ppb ppc ppd pph ppi ppn ppo ppp