-er -ic b-u bbb bbc bbe bbh bbi bbo bbr bbu bcb bcc bce bch bci bco bcr bcu bcv be- beb bec bee beh bei beo ber beu bev bhb bhc bhe bhh bhi bho bhr bhu bhv bi- bib bic bie bih bii bio bir biu biv bob boc boe boh boi boo bor bou bov brb bre brh bri bro brr bru brv bub buc bue buh bui buo bur buu bvb bvc bve bvh bvi bvo bvr bvu bvv c-- cbb cbc cbe cbh cbi cbo cbr cbu cbv ccb ccc cce cch cci cco ccr ccu ccv ce- ceb cec cee ceh cei ceo cer ceu cev ch- chb chc che chh chi cho chr chu chv ci- cib cic cie cih cii cio cir ciu civ co- cob coc coe coh coi coo cor cou cov crb crc cre crh cri cro crr cru crv cub cuc cue cuh cui cuo cur cuu cuv cvb cvc cve cvh cvi cvo cvr cvu cvv ebb ebc ebe ebh ebi ebo ebr ebu ebv ec- ecb ecc ece ech eci eco ecr ecu ecv eeb eec eee eeo eer eev ehb ehc ehe ehh ehi eho ehr ehu ehv eib eic eie eii eio eir eiu eiv eo- eob eoc eoe eoh eoi eoo eor eou erb erc ere erh eri ero err eru erv eu- eub euc eue eui eur euv evb evc eve evh evi evo evr evv h-i hbb hbc hbe hbh hbi hbo hbr hbu hbv hcb hcc hce hch hci hco hcr hcv he- heb hec hee heh hei heo her heu hev hhb hhc hhe hhh hhi hho hhr hhu hhv hib hic hie hih hii hio hir hiu hiv hob hoc hoe hoh hoi hoo hor hou hov hr- hrb hrc hre hrh hri hro hrr hru hrv hub huc hue huh hui huo hur huu huv hv- hvb hvc hvo hvr hvv i-v ibb ibc ibe ibh ibi ibo ibr ibu ibv icb icc ice ich ici ico icr icu icv ie- iec iee iei ier iev ihb ihc ihe ihh ihi iho ihr ihu ihv iib iic iie iih iii iio iir iiu io- iob ioc ioe ioh ioi ioo ior iou iov ir- irb irc ire iri iro irr iru irv iu- iub iuc iue iui iur ivb ivc ive ivi ivo ivr ivu ivv o-i ob- obb obc obe obh obi obo obr obu obv oc- ocb occ och oci oco ocr ocu ocv oeb oec oee oeh oei oeo oer ohc ohe ohh ohi oho ohr ohu oib oic oie oii oio oir oiu oiv oo- oob ooc ooh ooi ooo oor oov or- orb orc ore orh ori oro orr oru orv ou- ouc oue ouh oui ouo our ov- ovb ovc ove ovh ovi ovo ovv rbb rbc rbe rbh rbi rbo rbr rbu rcb rcc rce rch rci rco rcr rcu rcv re- reb rec ree reh rei reo rer reu rev rh- rhb rhc rhe rhh rhi rho rhr rhu rhv rib ric rie rih rii rio rir riv rob roc roe roh roi roo ror rou rov rrb rrc rrh rri rrr rru rub ruc rue ruh rui ruo rur ruu ruv rvb rvc rve rvh rvi rvo rvr rvu rvv ubb ubc ube ubh ubi ubo ubr ubu ubv ucb ucc uce uch uci uco ucr ucu ucv ueb uec uee ueh uei uer uhb uhc uhe uhh uhi uho uhr uhu uhv uib uic uie uii uio uir uiu uob uoc uoe uoo uor ur- urb urc ure uri uro urr uru uuc uue uur uuu uvb uvc uve uvo uvu uvv v-e vbc vbh vbi vbo vbr vbv vcc vce vch vci vco vcr vcu veb vec vee veh vei veo ver veu vh- vhb vhc vhe vhi vho vi- vib vic vie vii vio vir viu viv vob voc voe voh voi voo vor vou vov vrb vrc vre vrh vri vrr vru vue vur vuv vvb vvc vvi vvo vvr vvv