-ic bbb bbc bbd bbe bbi bbk bbo bcb bcc bcd bce bci bck bco bcv bdb bdc bdd bde bdi bdk bdo bdv be- beb bec bed bee bei bek beo bev bi- bib bic bid bie bii bik bio biv bkb bkc bke bkk bko bkv bob boc bod boe boi bok boo bov bvb bvc bvd bve bvi bvk bvo bvv c-- cbb cbc cbd cbe cbi cbk cbo cbv ccb ccc ccd cce cci cck cco ccv cdb cdc cdd cde cdi cdk cdo cdv ce- ceb cec ced cee cei cek ceo cev ci- cib cic cid cie cii cik cio civ ckb ckc ckd cki cko co- cob coc cod coe coi cok coo cov cvb cvc cvd cve cvi cvk cvo cvv dbb dbc dbd dbe dbi dbk dbo dbv dcb dcc dcd dce dci dck dco dcv ddb ddc ddd dde ddi ddk ddo de- deb dec ded dee dei dek deo dev di- dib dic did die dii dik dio div dkb dkc dke dki dkk dko dob doc dod doe doi dok doo dov dvb dvc dvd dve dvi dvk ebb ebc ebd ebe ebi ebk ebo ebv ec- ecb ecc ecd ece eci eck eco ecv ed- edb edc edd ede edi edk edo eeb eec eed eee eek eeo eev eib eic eid eie eii eik eio eiv ekb ekc ekd eke eki eko ekv eo- eob eoc eod eoe eoi eok eoo evb evc evd eve evi evo evv i-d i-v ibb ibc ibd ibe ibi ibk ibo ibv icb icc icd ice ici ick ico icv idb idc idd ide idi idk ido idv ie- iec ied iee iei iek iev iib iic iid iie iii iio ikb ikc ike iki ikk iko ikv io- iob ioc iod ioe ioi ioo iov ivb ivc ivd ive ivi ivo ivv kbb kbc kbd kbe kbi kbk kbo kcb kcc kcd kce kci kck kdb kdc kde kdk kdo ke- keb kec ked kee kei kek keo kev kib kic kid kie kii kik kio kiv kkb kkc kke kki kkk kkv kob koc kod koe koi kok koo kvb kvi kvk kvo kvv o-i ob- obb obc obd obe obi obk obo obv oc- ocb occ ocd oci ock oco ocv odb odc odd ode odi odo odv oeb oec oed oee oei oeo oib oic oid oie oii oik oio oiv okb okc okd oke oki okk oko oo- oob ooc ood ooi ook ooo oov ov- ovb ovc ovd ove ovi ovo ovv v-e vbc vbd vbi vbk vbo vbv vcc vcd vce vci vco vdb vdc vdd vde vdi vdk vdo vdv veb vec ved vee vei vek veo vi- vib vic vid vie vii vik vio viv vkb vob voc vod voe voi vok voo vov vvb vvc vvi vvo vvv

bbbb bbci bbdd bbdo bbeb bcbc bccc bcci bcde bcec bcie bcvo bdbc bddc bdii bebb bebe bebi bebo beci beck bede bedi bedo beeb beed beek beic beik beke beki beko beo- beod beok bevo bibb bibe bibi bibo bicc bice bici bick bico bide bidi bido bieb bied bike biko bio- bioc bioi bive bivi bobb bobe bobi bobo boce bock boco bodb bode bodi bodo boec boee boeo boi- boid boie boii boke boki boko boob booc bood booe book bove bovi bovo c-bo c-cd cbbc cbcc cbce cbdb cbdc cbdi cbdo cbec cbee cbid cbko cbvb cbve ccbc cccb cccc ccci cccv ccdc ccdi cced ccee ccic ccid ccii cciv ccob ccoc ccod ccvi ccvo cd-e cddb cdec cdic cdii cdio cdiv cdvd cdvi cec- cece ceci ceco cedd cede cedi cedo ceeb ceec ceke cevo cibc cibe cibi cibo cicc cici cico cidc cide cidi ciee ciid ciii ciko ciob civc cive civo ckbc ckbe ckbi ckck ckco ckcv ckdo ckob ckoc ckoi ckoo ckvo cobb cobe cobi cobo coce cock coco codd code codi coed cok- coke coko coob cood cook cove covo cvcc cvid cvii d-bo dbcc dcbc dccb dccc dcci dccv dcdb dcii dcio dciv dcvd dcvi dddd ddie ddoc debe debi dec- decc decd dece deci deck deco dedd dede dedi dedo deeb deed deek deev deid deie dek- deke deve devi devo dibb dibe dibo dice dici dick dico dide didi dido dieb died diii diiv dike diki diko dioc divd dive divi divo dkdc dkid dobb dobe dobi doce doci dock doco dod- dodd dode dodi dodo doek doid doke doki doko doob dood dook dove dovi dvi- dvii ebbc ebbo ebcc ebed ebic ebid eboe eboo ecbc ecbe eccb eccc ecce ecci ecco ecdc eced ecib ecko eco- ecod eddc edde eddi eddo ede- edei edie edik edoc edod edve eede eeee eeke eeoc eick eico eid- eide eidi eido eiec eied eiei eike eiki eiko ekco ekeb eked ekek ekki ekoi eocd eode evdb evid evie evoe evoo evvk i-be ibdo ibec ibed ibid ibie icbc icbd iccb iccc icci icco icdc icdd icde icec iced icee icke icoc icod idbe idce iddo idec ided idee ideo idic idid idie idio idoc idvd idve iecc ieie ieio iicd iide iied iiie iiii iiio iioi iioo ikee ikid ikki ikko ikoo iobi ioci iod- iodd iode iodo ioee ioii ioio ioke ioko iooi iooo ivbv ivec ivic ivie ivod k-ci k-id kbbb kbbc kbbd kbbe kbbi kbbk kbbo kbcb kbce kbci kbck kbco kbdb kbde kbdi kbdo kbdv kbeb kbec kbed kbee kbek kbeo kbev kbib kbic kbid kbie kbik kbio kbkb kbkk kbko kbkv kbob kboc kbod kboe kboi kbok kboo kbov kbvb kbvc kbvo kcbc kcbd kcbi kcbk kccb kccc kccd kcci kcck kccv kcdc kcdd kcdi kcdv kceb kcec kced kcee kcei kceo kcic kcid kcie kcii kciv kckc kckk kcko kckv kcob kcoe kcvd kcvi kcvk kcvo kcvv kdbb kdbi kdbv kdcc kdcd kdce kdco kddb kddc kddd kddi kddk kdeb kdec kdei kdic kdio kdkb kdkd kdkk kdko kdoc kdoe kdok kdov kdvb kdvi kdvv