-er -ic bbb bbc bbe bbh bbi bbn bbo bbr bcb bcc bce bch bci bcn bco bcr bcz be- beb bec bee beh bei ben beo ber bez bhb bhc bhe bhh bhi bho bhr bi- bib bic bie bih bii bin bio bir biz bnb bnc bne bni bnn bno bnr bnz bob boc boe boh boi bon boo bor boz brb bre brh bri brn bro brr brz bze bzh bzn bzo bzr bzz c-- cbb cbc cbe cbh cbi cbn cbo cbr cbz ccb ccc cce cch cci ccn cco ccr ccz ce- ceb cec cee ceh cei cen ceo cer cez ch- chb chc che chh chi chn cho chr chz ci- cib cic cie cih cii cin cio cir cn- cnb cnc cne cnh cni cnn cno cnr co- cob coc coe coh coi con coo cor coz crb crc cre crh cri crn cro crr crz cz- czc cze czo ebb ebc ebe ebh ebi ebn ebo ebr ec- ecb ecc ece ech eci ecn eco ecr eeb eec eee een eeo eer ehb ehc ehe ehh ehi ehn eho ehr eib eic eie eii ein eio eir en- enb enc ene enh eni enn eno enr enz eo- eob eoc eoe eoh eoi eon eoo eor erb erc ere erh eri ern ero err erz eze ezh ezo ezr ezz h-i hbb hbc hbe hbh hbi hbn hbo hbr hbz hcb hcc hce hch hci hcn hco hcr he- heb hec hee heh hei hen heo her hez hhb hhc hhe hhh hhi hhn hho hhr hhz hib hic hie hih hii hin hio hir hnb hnc hne hnh hnn hno hnz hob hoc hoe hoh hoi hon hoo hor hr- hrb hrc hre hrh hri hrn hro hrr hrz hze hzo ibb ibc ibe ibh ibi ibn ibo ibr ibz icb icc ice ich ici icn ico icr icz ie- iec iee iei ien ier ihb ihc ihe ihh ihi ihn iho ihr iib iic iie iih iii iin iio iir in- inb inc ine inh ini inn ino inr io- iob ioc ioe ioh ioi ion ioo ior ir- irb irc ire iri irn iro irr ize izh izi izo izz n-i nbb nbc nbe nbi nbn nbo nbr ncb ncc nce nch nci ncn nco ncr ne- neb nec nee neh nei nen neo ner nez nhb nhc nhe nhh nhi nhn nhr nhz nib nic nie nih nii nin nio nir niz nnb nnc nne nnh nni nnn nno nnz no- nob noc noe noh noi non noo nor noz nrb nrc nre nri nrn nro nrr nrz nzb nze nzi nzo nzz o-i ob- obb obc obe obh obi obn obo obr oc- ocb occ och oci ocn oco ocr ocz oeb oec oee oeh oei oen oeo oer ohc ohe ohh ohi ohn oho ohr oib oic oie oii oin oio oir oiz on- onb onc one onh oni onn ono onr oo- oob ooc ooh ooi oon ooo oor or- orb orc ore orh ori orn oro orr orz oze ozo ozz rbb rbc rbe rbh rbi rbn rbo rbr rcb rcc rce rch rci rcn rco rcr re- reb rec ree reh rei ren reo rer rez rh- rhb rhc rhe rhh rhi rhn rho rhr rib ric rie rih rii rin rio rir riz rnb rnc rnh rni rnn rno rnr rnz rob roc roe roh roi ron roo ror roz rrb rrc rrh rri rrn rrr rzb rze rzo zbb zbc zbr zce zco zeb zec zee zeh zen zeo zer zez zhc zhe zhi zho zhr zib zie zin zio zir ziz znc zne znn zno zo- zob zoc zoe zoi zon zoo zor zrh zro zzr zzz