-er -ic bbb bbc bbe bbh bbi bbr bcb bcc bce bch bci bcr bcv be- beb bec bee beh bei ber bev bhb bhc bhe bhh bhi bhr bhv bi- bib bic bie bih bii bir biv brb bre brh bri brr brv bvb bvc bve bvh bvi bvr bvv c-- cbb cbc cbe cbh cbi cbr cbv ccb ccc cce cch cci ccr ccv ce- ceb cec cee ceh cei cer cev ch- chb chc che chh chi chr chv ci- cib cic cie cih cii cir civ crb crc cre crh cri crr crv cvb cvc cve cvh cvi cvr cvv ebb ebc ebe ebh ebi ebr ebv ec- ecb ecc ece ech eci ecr ecv eeb eec eee eer eev ehb ehc ehe ehh ehi ehr ehv eib eic eie eii eir eiv erb erc ere erh eri err erv evb evc eve evh evi evr evv h-i hbb hbc hbe hbh hbi hbr hbv hcb hcc hce hch hci hcr hcv he- heb hec hee heh hei her hev hhb hhc hhe hhh hhi hhr hhv hib hic hie hih hii hir hiv hr- hrb hrc hre hrh hri hrr hrv hv- hvb hvc hvr hvv i-v ibb ibc ibe ibh ibi ibr ibv icb icc ice ich ici icr icv ie- iec iee iei ier iev ihb ihc ihe ihh ihi ihr ihv iib iic iie iih iii iir ir- irb irc ire iri irr irv ivb ivc ive ivi ivr ivv rbb rbc rbe rbh rbi rbr rcb rcc rce rch rci rcr rcv re- reb rec ree reh rei rer rev rh- rhb rhc rhe rhh rhi rhr rhv rib ric rie rih rii rir riv rrb rrc rrh rri rrr rvb rvc rve rvh rvi rvr rvv v-e vbc vbh vbi vbr vbv vcc vce vch vci vcr veb vec vee veh vei ver vh- vhb vhc vhe vhi vi- vib vic vie vii vir viv vrb vrc vre vrh vri vrr vvb vvc vvi vvr vvv