-er -ic -th b-p bbb bbc bbe bbh bbi bbn bbo bbp bbr bbs bbt bcb bcc bce bch bci bcn bco bcp bcr bcs bct be- beb bec bee beh bei ben beo bep ber bes bet bhb bhc bhe bhh bhi bho bhp bhr bhs bht bi- bib bic bie bih bii bin bio bip bir bis bit bnb bnc bne bni bnn bno bnp bnr bns bnt bob boc boe boh boi bon boo bop bor bos bot bpb bpc bpe bph bpi bpn bpo bpp bpr bps bpt brb bre brh bri brn bro brp brr brs brt bsb bsc bse bsh bsi bsn bso bsp bsr bss bst btb btc bte bth bti btn bto btp btr bts btt c-- cbb cbc cbe cbh cbi cbn cbo cbp cbr cbs cbt ccb ccc cce cch cci ccn cco ccp ccr ccs cct ce- ceb cec cee ceh cei cen ceo cep cer ces cet ch- chb chc che chh chi chn cho chp chr chs cht ci- cib cic cie cih cii cin cio cip cir cis cit cn- cnb cnc cne cnh cni cnn cno cnp cnr cns cnt co- cob coc coe coh coi con coo cop cor cos cot cpb cpc cpe cph cpi cpn cpo cpp cpr cps cpt crb crc cre crh cri crn cro crp crr crs crt csb csc cse csh csi csn cso csp csr css cst ctb ctc cte cth cti ctn cto ctp ctr cts ctt ebb ebc ebe ebh ebi ebn ebo ebp ebr ebs ebt ec- ecb ecc ece ech eci ecn eco ecr ecs ect eeb eec eee een eeo eep eer ees eet ehb ehc ehe ehh ehi ehn eho ehp ehr ehs eht eib eic eie eii ein eio eip eir eis eit en- enb enc ene enh eni enn eno enp enr ens ent eo- eob eoc eoe eoh eoi eon eoo eop eor eos eot ep- epb epc epe eph epi epn epo epp epr eps ept erb erc ere erh eri ern ero erp err ers ert es- esb esc ese esh esi esn eso esp esr ess est etb etc ete eth eti etn eto etp etr ets ett h-i hbb hbc hbe hbh hbi hbn hbo hbp hbr hbs hbt hcb hcc hce hch hci hcn hco hcp hcr hcs hct he- heb hec hee heh hei hen heo hep her hes het hhb hhc hhe hhh hhi hhn hho hhp hhr hhs hht hib hic hie hih hii hin hio hip hir his hit hnb hnc hne hnh hnn hno hns hnt hob hoc hoe hoh hoi hon hoo hop hor hos hot hpb hpc hpe hph hpi hpn hpo hpp hpr hps hpt hr- hrb hrc hre hrh hri hrn hro hrp hrr hrs hrt hsb hsc hse hsh hsi hsn hsp hsr hss hst htb htc hte hth hti htn hto htp htr hts htt ibb ibc ibe ibh ibi ibn ibo ibp ibr ibs ibt icb icc ice ich ici icn ico icp icr ics ict ie- iec iee iei ien iep ier ies iet ihb ihc ihe ihh ihi ihn iho ihp ihr ihs iht iib iic iie iih iii iin iio iip iir iis iit in- inb inc ine inh ini inn ino inp inr ins int io- iob ioc ioe ioh ioi ion ioo iop ior ios iot ipb ipc ipe ipi ipn ipo ipp ipr ips ipt ir- irb irc ire iri irn iro irp irr irs irt is- isb isc ise ish isi isn iso isp isr iss ist itb itc ite ith iti itn ito itp its itt n-i nbb nbc nbe nbi nbn nbo nbp nbr nbs nbt ncb ncc nce nch nci ncn nco ncp ncr ncs nct ne- neb nec nee neh nei nen neo nep ner nes net nhb nhc nhe nhh nhi nhn nhp nhr nhs nht nib nic nie nih nii nin nio nip nir nis nit nnb nnc nne nnh nni nnn nno nnp nns nnt no- nob noc noe noh noi non noo nop nor nos not npb npc npe nph npi npn npo npp npr nps npt nrb nrc nre nri nrn nro nrp nrr nrs nrt nsb nsc nse nsh nsi nsn nso nsp nsr nss nst ntb ntc nte nth nti ntn nto ntp ntr nts ntt o-i ob- obb obc obe obh obi obn obo obp obr obs obt oc- ocb occ och oci ocn oco ocp ocr ocs oct oeb oec oee oeh oei oen oeo oep oer oes oet ohc ohe ohh ohi ohn oho ohp ohr ohs oht oib oic oie oii oin oio oip oir ois oit on- onb onc one onh oni onn ono onp onr ons ont oo- oob ooc ooh ooi oon ooo oop oor oos oot op- opb opc ope oph opi opn opo opp opr ops opt or- orb orc ore orh ori orn oro orp orr ors ort os- osb osc ose osh osi osn oso osp osr oss ost ot- otb otc ote oth oti otn oto otp otr ots ott p-p pbb pbc pbe pbi pbn pbo pbp pbr pbs pbt pcb pcc pce pch pci pcn pco pcp pcr pcs pct peb pec pee peh pei pen peo pep per pes pet phb phc phe phi phn pho php phr phs pht pib pic pie pih pii pin pio pip pir pis pit pn- pnb pnc pne pnh pni pnn pno pnp pnr pns pnt pob poc poe poh poi pon poo pop por pos pot ppb ppc ppe pph ppi ppn ppo ppp ppr pps ppt prb prc pre prh pri prn pro prp prr prs prt ps- psb psc pse psh psi psn pso psp psr pss pst pt- ptb ptc pte pth pti ptn pto ptp ptr pts ptt rbb rbc rbe rbh rbi rbn rbo rbp rbr rbs rbt rcb rcc rce rch rci rcn rco