-er -ic b-u bbb bbc bbe bbf bbg bbh bbi bbo bbr bbs bbu bcb bcc bce bcf bcg bch bci bco bcr bcs bcu bcv be- beb bec bee bef beg beh bei beo ber bes beu bev bfb bfc bfe bff bfg bfh bfi bfo bfr bfs bfu bfv bgb bgc bge bgf bgg bgh bgi bgo bgr bgs bgu bgv bhb bhc bhe bhf bhg bhh bhi bho bhr bhs bhu bhv bi- bib bic bie bif big bih bii bio bir bis biu biv bob boc boe bof bog boh boi boo bor bos bou bov brb bre brf brg brh bri bro brr brs bru brv bsb bsc bse bsf bsg bsh bsi bso bsr bss bsu bsv bub buc bue buf bug buh bui buo bur bus buu bvb bvc bve bvg bvh bvi bvo bvr bvs bvu bvv c-- cbb cbc cbe cbf cbg cbh cbi cbo cbr cbs cbu cbv ccb ccc cce ccf ccg cch cci cco ccr ccs ccu ccv ce- ceb cec cee cef ceg ceh cei ceo cer ces ceu cev cfb cfc cfe cff cfg cfh cfi cfo cfr cfs cfu cfv cgb cgc cge cgg cgh cgi cgo cgr cgs cgu cgv ch- chb chc che chf chg chh chi cho chr chs chu chv ci- cib cic cie cif cig cih cii cio cir cis ciu civ co- cob coc coe cof cog coh coi coo cor cos cou cov crb crc cre crf crg crh cri cro crr crs cru crv csb csc cse csf csg csh csi cso csr css csu csv cub cuc cue cuf cug cuh cui cuo cur cus cuu cuv cvb cvc cve cvf cvg cvh cvi cvo cvr cvs cvu cvv ebb ebc ebe ebf ebg ebh ebi ebo ebr ebs ebu ebv ec- ecb ecc ece ecf ecg ech eci eco ecr ecs ecu ecv eeb eec eee eef eeg eeo eer ees eev ef- efb efc efe eff efg efh efi efo efr efs egb egc ege egf egg egh egi ego egr egs egu ehb ehc ehe ehf ehg ehh ehi eho ehr ehs ehu ehv eib eic eie eif eig eii eio eir eis eiu eiv eo- eob eoc eoe eof eog eoh eoi eoo eor eos eou erb erc ere erf erg erh eri ero err ers eru erv es- esb esc ese esf esg esh esi eso esr ess esu esv eu- eub euc eue euf eug eui eur eus euv evb evc eve evf evg evh evi evo evr evs evv fbb fbc fbe fbf fbg fbh fbi fbo fbr fbs fbu fcb fcc fce fcf fcg fci fco fcr fcs fcu fcv feb fec fee fef feg feh fei feo fer fes feu fev ffc ffe fff ffg ffh ffi ffo ffr ffs ffu ffv fgb fgc fge fgf fgg fgh fgi fgr fgs fgv fhb fhc fhe fhf fhg fhh fhi fho fhr fhs fhv fib fic fie fif fig fih fii fir fis fiu fob foc foe fof fog foh foi foo for fos fou frb frc fre frf frg frh fri fro frr frs fru fsb fsc fse fsf fsg fsh fsi fso fsr fss fsu fsv fub fue fuf fug fui fuo fur fus fuu fuv fvc fvg fvh gbc gbe gbf gbg gbh gbi gbo gbr gbs gbu gbv gcb gcc gce gcf gcg gch gci gco gcr gcs gcu ge- geb gec gee gef geg geh gei geo ger ges geu gev gfb gfc gfe gff gfh gfi gfo gfr gfs ggb ggc ggg ggh ggi ggo ggr ggs ggu ggv ghb ghc ghe ghg ghh ghi gho ghr ghs gib gic gie gif gig gih gii gio gir gis giu giv gob goc goe gof gog goh goi goo gor gos gou gov grb grc gre grf grg grh gri gro grr grs gru grv gsb gsc gse gsf gsg gsi gso gsr gss gsu gsv gu- gub guc gue guf gug gui guo gur gus guu guv gvb gvc gve gvf gvg gvh gvi gvo gvr gvs gvu h-i hbb hbc hbe hbf hbg hbh hbi hbo hbr hbs hbu hbv hcb hcc hce hcf hcg hch hci hco hcr hcs hcv he- heb hec hee hef heg heh hei heo her hes heu hev hfb hfc hfe hff hfg hfh hfi hfo hfr hfs hfu hfv hgb hgc hge hgf hgg hgh hgi hgo hgr hgs hgu hgv hhb hhc hhe hhf hhg hhh hhi hho hhr hhs hhu hhv hib hic hie hif hig hih hii hio hir his hiu hiv hob hoc hoe hof hog hoh hoi hoo hor hos hou hov hr- hrb hrc hre hrf hrg hrh hri hro hrr hrs hru hrv hsb hsc hse hsf hsg hsh hsi hsr hss hsu hsv hub huc hue huf hug huh hui huo hur hus huu huv hv- hvb hvc hvf hvg hvo hvr hvs hvv i-f i-v ibb ibc ibe ibf ibg ibh ibi ibo ibr ibs ibu ibv icb icc ice icf icg ich ici ico icr ics icu icv ie- iec iee ief ieg iei ier ies iev ifb ifc ife iff ifg ifi ifo ifr ifs ifu igb igc ige igf igg igh igi igo igr igs igu ihb ihc ihe ihf ihg ihh ihi iho ihr ihs ihu ihv iib iic iie iif iih iii iio iir iis iiu io- iob ioc ioe iof iog ioh ioi ioo ior ios iou iov ir- irb irc ire irf irg iri iro irr irs iru irv is- isb isc ise isf isg ish isi iso isr iss isu isv iu- iub iuc iue iug iui iur ius ivb ivc ive ivf ivg ivi ivo ivr ivs ivu ivv o-i ob- obb obc obe obf obg obh obi obo obr obs obu obv oc- ocb occ ocf ocg och oci oco ocr ocs ocu ocv oeb oec oee oef oeg oeh oei oeo oer oes of-