-er -ic bbb bbc bbd bbe bbi bbo bbr bbs bcb bcc bcd bce bci bco bcr bcs bcv bdb bdc bdd bde bdi bdo bdr bds bdv be- beb bec bed bee bei beo ber bes bev bi- bib bic bid bie bii bio bir bis biv bob boc bod boe boi boo bor bos bov brb brd bre bri bro brr brs brv bsb bsc bsd bse bsi bso bsr bss bsv bvb bvc bvd bve bvi bvo bvr bvs bvv c-- cbb cbc cbd cbe cbi cbo cbr cbs cbv ccb ccc ccd cce cci cco ccr ccs ccv cdb cdc cdd cde cdi cdo cdr cds cdv ce- ceb cec ced cee cei ceo cer ces cev ci- cib cic cid cie cii cio cir cis civ co- cob coc cod coe coi coo cor cos cov crb crc crd cre cri cro crr crs crv csb csc csd cse csi cso csr css csv cvb cvc cvd cve cvi cvo cvr cvs cvv dbb dbc dbd dbe dbi dbo dbr dbs dbv dcb dcc dcd dce dci dco dcr dcs dcv ddb ddc ddd dde ddi ddo ddr dds de- deb dec ded dee dei deo der des dev di- dib dic did die dii dio dir dis div dob doc dod doe doi doo dor dos dov drb drc drd dre dri dro drr drs drv dsb dsc dsd dse dsi dso dsr dss dsv dvb dvc dvd dve dvi dvr dvs ebb ebc ebd ebe ebi ebo ebr ebs ebv ec- ecb ecc ecd ece eci eco ecr ecs ecv ed- edb edc edd ede edi edo edr eds eeb eec eed eee eeo eer ees eev eib eic eid eie eii eio eir eis eiv eo- eob eoc eod eoe eoi eoo eor eos erb erc erd ere eri ero err ers erv es- esb esc esd ese esi eso esr ess esv evb evc evd eve evi evo evr evs evv i-d i-v ibb ibc ibd ibe ibi ibo ibr ibs ibv icb icc icd ice ici ico icr ics icv idb idc idd ide idi ido idr ids idv ie- iec ied iee iei ier ies iev iib iic iid iie iii iio iir iis io- iob ioc iod ioe ioi ioo ior ios iov ir- irb irc ird ire iri iro irr irs irv is- isb isc isd ise isi iso isr iss isv ivb ivc ivd ive ivi ivo ivr ivs ivv o-i ob- obb obc obd obe obi obo obr obs obv oc- ocb occ ocd oci oco ocr ocs ocv odb odc odd ode odi odo odr ods odv oeb oec oed oee oei oeo oer oes oib oic oid oie oii oio oir ois oiv oo- oob ooc ood ooi ooo oor oos oov or- orb orc ord ore ori oro orr ors orv os- osb osc osd ose osi oso osr oss osv ov- ovb ovc ovd ove ovi ovo ovs ovv rbb rbc rbd rbe rbi rbo rbr rbs rcb rcc rcd rce rci rco rcr rcs rcv rdb rdc rdd rde rdi rdo rdr rds rdv re- reb rec red ree rei reo rer res rev rib ric rid rie rii rio rir ris riv rob roc rod roe roi roo ror ros rov rrb rrc rrd rri rrr rrs rsb rsc rsd rse rsi rso rsr rss rsv rvb rvc rvd rve rvi rvo rvr rvs rvv sbb sbc sbd sbe sbi sbo sbr sbs sbv scb scc scd sce sci sco scr scs scv sdb sdc sdd sde sdi sdo sdr sds sdv se- seb sec sed see sei seo ser ses sev sib sic sid sie sii sio sir sis siv sob soc sod soe soi soo sor sos sov sr- srb src srd sre sri sro srr srs srv ss- ssb ssc ssd sse ssi sso ssr sss ssv svb svc svd sve svi svo svr svs svv v-e vbc vbd vbi vbo vbr vbs vbv vcc vcd vce vci vco vcr vcs vdb vdc vdd vde vdi vdo vdr vds vdv veb vec ved vee vei veo ver ves vi- vib vic vid vie vii vio vir vis viv vob voc vod voe voi voo vor vos vov vrb vrc vrd vre vri vrr vrs vsb vsc vsd vse vsi vso vsr vss vsv vvb vvc vvi vvo vvr vvs vvv

-ose bbbb bbbs bbci bbdd bbdo bbeb bbrc bcbc bcbs bccc bcci bccs bcde bcds bcec bcer bces bcie bcis bcor bcos bcrs bcsc bcss bcvo bd-r bdbc bddc bdes bdii bdos bdsd bebb bebe bebi bebo beci becs bede bedi bedo beds beeb beed beer bees beic beir beis beo- beod beor beos berc berd bere beri bero berr bers bes- bese beso bess bevo bevs bibb bibe bibi bibo bibs bicc bice bici bico bics bide bidi bido bidr bids bieb bied bier bies biis bio- bioc bioi bios birb bird bire biri biro birr birs bis- bisc bisd bise biso biss bive bivi bobb bobe bobi bobo bobs boce boco bocs bodb bode bodi bodo bods boec boee boeo boer boes boi- boid boie boii bois boob booc bood booe boor boos bor- bord bore bori boro borr bors bosc bose bosi boso boss bove bovi bovo brcb brce brdo brds breb brec bred bree brei breo brer bres brev bric brid brie brio bris brob broc brod broe broo bror bros brrr brrs brsb brsr brvi bsbd bsci bscs bseb bsec bsed bsee bser bses bsic bsod bsos bsrd bssc bssd bsse bvds bvsc c-bo c-cd cbbc cbbs cbcc cbce cbcr cbcs cbdb cbdc cbdi cbdo cbds cbec cbee cber cbid cbir cbrd cbre cbsc cbse cbsi cbvb cbve cbvr ccbc cccb cccc ccci cccs cccv ccdc ccdi ccdr ccds cced ccee ccic ccid ccii ccir ccis cciv ccob ccoc ccod ccrc ccre ccri ccrs ccsd ccsi ccss ccvi ccvo ccvs cd-e cd-r cdcs cddb cddr cdec cder cdes cdic cdii cdio