-er -ic a-a a-b a-c a-i aaa aab aac aae aah aai aak aan aar ab- aba abb abc abe abh abi abk abn abr ac- aca acb acc ace ach aci ack acn acr aea aeb aec aee aeh aei aek aen aer aha ahb ahc ahe ahh ahi ahk ahn ahr ai- aia aib aic aie aih aii aik ain air aka akb akc ake akh aki akk akn akr an- ana anb anc ane anh ani ank ann anr ar- ara arb arc are arh ari ark arn arr baa bab bac bae bah bai bak ban bar bba bbb bbc bbe bbh bbi bbk bbn bbr bca bcb bcc bce bch bci bck bcn bcr be- bea beb bec bee beh bei bek ben ber bha bhb bhc bhe bhh bhi bhk bhr bi- bia bib bic bie bih bii bik bin bir bka bkb bkc bke bkk bkn bkr bna bnb bnc bne bni bnk bnn bnr bra brb bre brh bri brk brn brr c-- caa cab cac cae cah cai cak can car cba cbb cbc cbe cbh cbi cbk cbn cbr cca ccb ccc cce cch cci cck ccn ccr ce- cea ceb cec cee ceh cei cek cen cer ch- cha chb chc che chh chi chk chn chr ci- cia cib cic cie cih cii cik cin cir cka ckb ckc ckh cki cn- cna cnb cnc cne cnh cni cnn cnr cra crb crc cre crh cri crk crn crr eaa eab eac eae eah eai eak ean ear eba ebb ebc ebe ebh ebi ebk ebn ebr ec- eca ecb ecc ece ech eci eck ecn ecr eea eeb eec eee eek een eer eha ehb ehc ehe ehh ehi ehn ehr eia eib eic eie eii eik ein eir eka ekb ekc eke ekh eki ekr en- ena enb enc ene enh eni enk enn enr era erb erc ere erh eri erk ern err h-i haa hab hac hae hah hai hak han har hba hbb hbc hbe hbh hbi hbk hbn hbr hca hcb hcc hce hch hci hck hcn hcr he- hea heb hec hee heh hei hek hen her hha hhb hhc hhe hhh hhi hhk hhn hhr hia hib hic hie hih hii hik hin hir hka hkb hkh hki hkk hkn hkr hna hnb hnc hne hnh hnk hnn hr- hra hrb hrc hre hrh hri hrk hrn hrr ia- iaa iab iac iae iah iai ian iar iba ibb ibc ibe ibh ibi ibk ibn ibr ica icb icc ice ich ici ick icn icr ie- iea iec iee iei iek ien ier iha ihb ihc ihe ihh ihi ihk ihn ihr iia iib iic iie iih iii iin iir ika ikb ikc ike iki ikk ikr in- ina inb inc ine inh ini ink inn inr ir- ira irb irc ire iri irk irn irr ka- kaa kab kac kae kah kai kak kan kar kba kbb kbc kbe kbh kbi kbk kbn kbr kca kcb kcc kce kch kci kck kcn kcr ke- kea keb kec kee keh kei kek ken ker kha khe khh khi khk khn khr kia kib kic kie kih kii kik kin kir kkb kkc kke kkh kki kkk kkn kkr kn- kna knc kne kni knk knn knr kra krc kri krk krn krr n-i naa nab nac nae nah nai nak nan nar nba nbb nbc nbe nbi nbk nbn nbr nca ncb ncc nce nch nci nck ncn ncr ne- nea neb nec nee neh nei nek nen ner nha nhb nhc nhe nhh nhi nhk nhn nhr nia nib nic nie nih nii nik nin nir nka nkc nke nki nkk nkn nkr nna nnb nnc nne nnh nni nnk nnn nra nrb nrc nre nri nrk nrn nrr ra- raa rab rac rae rah rai rak ran rar rba rbb rbc rbe rbh rbi rbk rbn rbr rca rcb rcc rce rch rci rcn rcr re- rea reb rec ree reh rei rek ren rer rh- rha rhb rhc rhe rhh rhi rhn rhr ria rib ric rie rih rii rik rin rir rkb rkc rke rkk rna rnb rnc rnh rni rnn rnr rra rrb rrc rrh rri rrk rrn rrr