-er -ic bbb bbc bbe bbh bbi bbo bbr bcb bcc bce bch bci bco bcr bcv be- beb bec bee beh bei beo ber bev bhb bhc bhe bhh bhi bho bhr bhv bi- bib bic bie bih bii bio bir biv bob boc boe boh boi boo bor bov brb bre brh bri bro brr brv bvb bvc bve bvh bvi bvo bvr bvv c-- cbb cbc cbe cbh cbi cbo cbr cbv ccb ccc cce cch cci cco ccr ccv ce- ceb cec cee ceh cei ceo cer cev ch- chb chc che chh chi cho chr chv ci- cib cic cie cih cii cio cir civ co- cob coc coe coh coi coo cor cov crb crc cre crh cri cro crr crv cvb cvc cve cvh cvi cvo cvr cvv ebb ebc ebe ebh ebi ebo ebr ebv ec- ecb ecc ece ech eci eco ecr ecv eeb eec eee eeo eer eev ehb ehc ehe ehh ehi eho ehr ehv eib eic eie eii eio eir eiv eo- eob eoc eoe eoh eoi eoo eor erb erc ere erh eri ero err erv evb evc eve evh evi evo evr evv h-i hbb hbc hbe hbh hbi hbo hbr hbv hcb hcc hce hch hci hco hcr hcv he- heb hec hee heh hei heo her hev hhb hhc hhe hhh hhi hho hhr hhv hib hic hie hih hii hio hir hiv hob hoc hoe hoh hoi hoo hor hov hr- hrb hrc hre hrh hri hro hrr hrv hv- hvb hvc hvo hvr hvv i-v ibb ibc ibe ibh ibi ibo ibr ibv icb icc ice ich ici ico icr icv ie- iec iee iei ier iev ihb ihc ihe ihh ihi iho ihr ihv iib iic iie iih iii iio iir io- iob ioc ioe ioh ioi ioo ior iov ir- irb irc ire iri iro irr irv ivb ivc ive ivi ivo ivr ivv o-i ob- obb obc obe obh obi obo obr obv oc- ocb occ och oci oco ocr ocv oeb oec oee oeh oei oeo oer ohc ohe ohh ohi oho ohr oib oic oie oii oio oir oiv oo- oob ooc ooh ooi ooo oor oov or- orb orc ore orh ori oro orr orv ov- ovb ovc ove ovh ovi ovo ovv rbb rbc rbe rbh rbi rbo rbr rcb rcc rce rch rci rco rcr rcv re- reb rec ree reh rei reo rer rev rh- rhb rhc rhe rhh rhi rho rhr rhv rib ric rie rih rii rio rir riv rob roc roe roh roi roo ror rov rrb rrc rrh rri rrr rvb rvc rve rvh rvi rvo rvr rvv v-e vbc vbh vbi vbo vbr vbv vcc vce vch vci vco vcr veb vec vee veh vei veo ver vh- vhb vhc vhe vhi vho vi- vib vic vie vii vio vir viv vob voc voe voh voi voo vor vov vrb vrc vre vrh vri vrr vvb vvc vvi vvo vvr vvv