-er -ey -ic c-- ccc cce cch cci ccn cco ccp ccr ce- cec cee ceh cei cen ceo cep cer cey ch- chc che chh chi chn cho chp chr chy ci- cic cie cih cii cin cio cip cir cn- cnc cne cnh cni cnn cno cnp cnr cny co- coc coe coh coi con coo cop cor coy cpc cpe cph cpi cpn cpo cpp cpr crc cre crh cri crn cro crp crr cry cyc cye cyn cyo cyp cyr ec- ecc ece ech eci ecn eco ecr eec eee een eeo eep eer eey ehc ehe ehh ehi ehn eho ehp ehr eic eie eii ein eio eip eir en- enc ene enh eni enn eno enp enr eny eo- eoc eoe eoh eoi eon eoo eop eor ep- epc epe eph epi epn epo epp epr erc ere erh eri ern ero erp err ery eyc eye eyn eyo eyp eyr h-i hcc hce hch hci hcn hco hcp hcr hcy he- hec hee heh hei hen heo hep her hey hhc hhe hhh hhi hhn hho hhp hhr hhy hic hie hih hii hin hio hip hir hnc hne hnh hnn hno hny hoc hoe hoh hoi hon hoo hop hor hoy hpc hpe hph hpi hpn hpo hpp hpr hpy hr- hrc hre hrh hri hrn hro hrp hrr hy- hyc hye hyh hyi hyn hyo hyp hyr hyy icc ice ich ici icn ico icp icr icy ie- iec iee iei ien iep ier iey ihc ihe ihh ihi ihn iho ihp ihr ihy iic iie iih iii iin iio iip iir in- inc ine inh ini inn ino inp inr iny io- ioc ioe ioh ioi ion ioo iop ior ipc ipe ipi ipn ipo ipp ipr ipy ir- irc ire iri irn iro irp irr iry iyc iye iyo iyr iyy n-i ncc nce nch nci ncn nco ncp ncr ne- nec nee neh nei nen neo nep ner ney nhc nhe nhh nhi nhn nhp nhr nhy nic nie nih nii nin nio nip nir nnc nne nnh nni nnn nno nnp no- noc noe noh noi non noo nop nor noy npc npe nph npi npn npo npp npr nrc nre nri nrn nro nrp nrr nry nyc nye nyn nyo nyp nyy o-i oc- occ och oci ocn oco ocp ocr oec oee oeh oei oen oeo oep oer oey ohc ohe ohh ohi ohn oho ohp ohr oic oie oii oin oio oip oir on- onc one onh oni onn ono onp onr ony oo- ooc ooh ooi oon ooo oop oor op- opc ope oph opi opn opo opp opr opy or- orc ore orh ori orn oro orp orr ory oye oyi oyo p-p pcc pce pch pci pcn pco pcp pcr pec pee peh pei pen peo pep per pey phc phe phi phn pho php phr phy pic pie pih pii pin pio pip pir pn- pnc pne pnh pni pnn pno pnp pnr pny poc poe poh poi pon poo pop por poy ppc ppe pph ppi ppn ppo ppp ppr prc pre prh pri prn pro prp prr pry py- pyc pye pyn pyo pyr rcc rce rch rci rcn rco rcp rcr re- rec ree reh rei ren reo rep rer rey rh- rhc rhe rhh rhi rhn rho rhp rhr ric rie rih rii rin rio rip rir riy rnc rnh rni rnn rno rnp rnr rny roc roe roh roi ron roo rop ror roy rpc rpe rph rpi rpn rpo rpp rpr rrc rrh rri rrn rrp rrr ry- ryc rye ryn ryo ryr ryy ycc yce ych yci yco ycp ycy yec yee yeh yei yen yeo yep yer yey yhc yhe yhi yie yih yii yin yio yip yir yne ynn ynp yny yoc yoe yoi yon yoo yop yor yoy ypo yrc yre yrn yro yrp yyc yye yyy