-er -ic -up b-p b-u bbb bbc bbe bbi bbn bbp bbr bbt bbu bcb bcc bce bci bcn bcp bcr bct bcu be- beb bec bee bei ben bep ber bet beu bi- bib bic bie bii bin bip bir bit biu bnb bnc bne bni bnn bnp bnr bnt bnu bpb bpc bpe bpi bpn bpp bpr bpt bpu brb bre bri brn brp brr brt bru btb btc bte bti btn btp btr btt btu bub buc bue bui bun bup bur but buu c-- cbb cbc cbe cbi cbn cbp cbr cbt cbu ccb ccc cce cci ccn ccp ccr cct ccu ce- ceb cec cee cei cen cep cer cet ceu ci- cib cic cie cii cin cip cir cit ciu cn- cnb cnc cne cni cnn cnp cnr cnt cnu cpb cpc cpe cpi cpn cpp cpr cpt cpu crb crc cre cri crn crp crr crt cru ctb ctc cte cti ctn ctp ctr ctt ctu cub cuc cue cui cun cup cur cut cuu ebb ebc ebe ebi ebn ebp ebr ebt ebu ec- ecb ecc ece eci ecn ecr ect ecu eeb eec eee een eep eer eet eib eic eie eii ein eip eir eit eiu en- enb enc ene eni enn enp enr ent enu ep- epb epc epe epi epn epp epr ept epu erb erc ere eri ern erp err ert eru etb etc ete eti etn etp etr ett etu eu- eub euc eue eui eun eup eur eut ibb ibc ibe ibi ibn ibp ibr ibt ibu icb icc ice ici icn icp icr ict icu ie- iec iee iei ien iep ier iet iib iic iie iii iin iip iir iit iiu in- inb inc ine ini inn inp inr int inu ipb ipc ipe ipi ipn ipp ipr ipt ipu ir- irb irc ire iri irn irp irr irt iru itb itc ite iti itn itp itt itu iu- iub iuc iue iui iup iur iut n-i nbb nbc nbe nbi nbn nbp nbr nbt nbu ncb ncc nce nci ncn ncp ncr nct ncu ne- neb nec nee nei nen nep ner net neu nib nic nie nii nin nip nir nit niu nnb nnc nne nni nnn nnp nnt nnu npb npc npe npi npn npp npr npt npu nrb nrc nre nri nrn nrp nrr nrt nru ntb ntc nte nti ntn ntp ntr ntt ntu nub nuc nue nui nun nup nur nut nuu p-p pbb pbc pbe pbi pbn pbp pbr pbt pbu pcb pcc pce pci pcn pcp pcr pct pcu peb pec pee pei pen pep per pet peu pib pic pie pii pin pip pir pit piu pn- pnb pnc pne pni pnn pnp pnr pnt pnu ppb ppc ppe ppi ppn ppp ppr ppt ppu prb prc pre pri prn prp prr prt pru pt- ptb ptc pte pti ptn ptp ptr ptt ptu pub puc pue pui pun pup pur put puu rbb rbc rbe rbi rbn rbp rbr rbt rbu rcb rcc rce rci rcn rcp rcr rct rcu re- reb rec ree rei ren rep rer ret reu rib ric rie rii rin rip rir rit rnb rnc rni rnn rnp rnr rnt rnu rpb rpc rpe rpi rpn rpp rpr rpt rpu rrb rrc rri rrn rrp rrr rrt rru rtb rtc rte rti rtn rtp rtr rtt rtu rub ruc rue rui run rup rur rut ruu tbb tbc tbe tbi tbn tbp tbr tbt tbu tcb tcc tce tci tcn tcp tcr tct tcu te- teb tec tee tei ten tep ter tet teu tib tic tie tii tin tip tir tit tiu tnb tnc tne tni tnn tnp tnr tnt tpb tpc tpe tpi tpn tpp tpr tpt tpu trb trc tre tri trn trp trr trt tru ttb ttc tte tti ttn ttp ttr ttt ttu tub tuc tue tui tun tup tur tut tuu ubb ubc ube ubi ubn ubp ubr ubt ubu ucb ucc uce uci ucn ucp ucr uct ucu ueb uec uee uei uen uep uer uet uib uic uie uii uin uip uir uit uiu un- unb unc une uni unn unp unr unt unu up- upb upc upe upi upn upp upr upt upu ur- urb urc ure uri urn urp urr urt uru utb utc ute uti utn utp utr utt utu uuc uue uun uur uut uuu