itt n-i nbb nbc nbe nbf nbg nbi nbn nbo nbr nbs nbt ncb ncc nce ncf ncg nch nci ncn nco ncr ncs nct ne- neb nec nee nef neg neh nei nen neo ner nes net nfb nfc nfe nff nfi nfn nfo nfr nfs nft ngb ngc nge ngf ngg ngh ngi ngn ngo ngs ngt nhb nhc nhe nhf nhg nhh nhi nhn nhr nhs nht nib nic nie nif nig nih nii nin nio nir nis nit nnb nnc nne nnf nng nnh nni nnn nno nns nnt no- nob noc noe nof nog noh noi non noo nor nos not nrb nrc nre nrf nrg nri nrn nro nrr nrs nrt nsb nsc nse nsf nsg nsh nsi nsn nso nsr nss nst ntb ntc nte ntf ntg nth nti ntn nto ntr nts ntt o-i ob- obb obc obe obf obg obh obi obn obo obr obs obt oc- ocb occ ocf ocg och oci ocn oco ocr ocs oct oeb oec oee oef oeg oeh oei oen oeo oer oes oet of- ofb ofc ofe off ofg ofi ofn ofo ofr ofs oft ogc oge ogf ogg ogh ogi ogn ogo ogs ogt ohc ohe ohf ohg ohh ohi ohn oho ohr ohs oht oib oic oie oif oii oin oio oir ois oit on- onb onc one onf ong onh oni onn ono onr ons ont oo- oob ooc oof oog ooh ooi oon ooo oor oos oot or- orb orc ore orf org orh ori orn oro orr ors ort os- osb osc ose osf osg osh osi osn oso osr oss ost ot- otb otc ote otf otg oth oti otn oto otr ots ott rbb rbc rbe rbf rbg rbh rbi rbn rbo rbr rbs rbt rcb rcc rce rcf rcg rch rci rcn rco rcr rcs rct re- reb rec ree ref reg reh rei ren reo rer res ret rfb rfc rfe rff rfg rfh rfi rfn rfo rfr rfs rft rgb rgc rge rgf rgg rgh rgi rgn rgo rgr rgs rgt rh- rhb rhc rhe rhf rhg rhh rhi rhn rho rhr rhs rht rib ric rie rif rig rih rii rin rio rir ris rit rnb rnc rng rnh rni rnn rno rnr rns rnt rob roc roe rof rog roh roi ron roo ror ros rot rrb rrc rrf rrg rrh rri rrn rrr rrs rrt rsb rsc rse rsf rsg rsh rsi rsn rso rsr rss rst rtb rtc rte rtf rtg rti rtn rto rtr rts rtt sbb sbc sbe sbf sbg sbh sbi sbn sbo sbr sbs sbt scb scc sce scf scg sch sci scn sco scr scs sct se- seb sec see sef seg seh sei sen seo ser ses set sfb sfc sfe sff sfg sfh sfi sfn sfo sfr sfs sft sgb sgc sge sgf sgg sgh sgi sgn sgo sgr sgs sgt sh- shb shc she shf shg shh shi shn sho shr shs sht sib sic sie sif sig sih sii sin sio sir sis sit snb snc sne snf sng sni snn sno snr sns snt sob soc soe sof sog soh soi son soo sor sos sot sr- srb src sre srf srg srh sri srn sro srr srs srt ss- ssb ssc sse ssf ssg ssh ssi ssn sso ssr sss sst stb stc ste stf stg sth sti stn sto str sts stt tbb tbc tbe tbf tbg tbh tbi tbn tbo tbr tbs tbt tcb tcc tce tcf tcg tch tci tcn tco tcr tcs tct te- teb tec tee tef teg teh tei ten teo ter tes tet tfb tfc tfe tff tfg tfh tfi tfn tfo tfr tfs tft tgb tgc tge tgf tgg tgh tgi tgn tgo tgr tgs tgt th- thb thc the thf thg thh thi thn tho thr ths tht tib tic tie tif tig tih tii tin tio tir tis tit tnb tnc tne tnf tng tnh tni tnn tno tnr tns tnt to- tob toc toe tof tog toh toi ton too tor tos tot trb trc tre trf trg trh tri trn tro trr trs trt tsb tsc tse tsf tsg tsh tsi tsn tso tsr tss tst ttb ttc tte ttf ttg tth tti ttn tto ttr tts ttt