-er -ic a-a a-b a-c a-i aaa aab aac aae aah aai aak aam aar ab- aba abb abc abe abh abi abk abm abr ac- aca acb acc ace ach aci ack acm acr aea aeb aec aee aeh aei aek aem aer aha ahb ahc ahe ahh ahi ahk ahm ahr ai- aia aib aic aie aih aii aik aim air aka akb akc ake akh aki akk akm akr ama amb amc ame amh ami amk amm amr ar- ara arb arc are arh ari ark arm arr baa bab bac bae bah bai bak bam bar bba bbb bbc bbe bbh bbi bbk bbm bbr bca bcb bcc bce bch bci bck bcm bcr be- bea beb bec bee beh bei bek bem ber bha bhb bhc bhe bhh bhi bhk bhm bhr bi- bia bib bic bie bih bii bik bim bir bka bkb bkc bke bkk bkm bkr bma bmb bmc bme bmh bmi bmk bmm bmr bra brb bre brh bri brk brm brr c-- caa cab cac cae cah cai cak cam car cba cbb cbc cbe cbh cbi cbk cbm cbr cca ccb ccc cce cch cci cck ccm ccr ce- cea ceb cec cee ceh cei cek cem cer ch- cha chb chc che chh chi chk chm chr ci- cia cib cic cie cih cii cik cim cir cka ckb ckc ckh cki ckm cma cmb cmc cme cmh cmi cmk cmm cmr cra crb crc cre crh cri crk crm crr eaa eab eac eae eah eai eak eam ear eba ebb ebc ebe ebh ebi ebk ebm ebr ec- eca ecb ecc ece ech eci eck ecm ecr eea eeb eec eee eek eem eer eha ehb ehc ehe ehh ehi ehm ehr eia eib eic eie eii eik eim eir eka ekb ekc eke ekh eki ekr em- ema emb emc eme emh emi emk emm emr era erb erc ere erh eri erk erm err h-i haa hab hac hae hah hai hak ham har hba hbb hbc hbe hbh hbi hbk hbm hbr hca hcb hcc hce hch hci hck hcm hcr he- hea heb hec hee heh hei hek hem her hha hhb hhc hhe hhh hhi hhk hhm hhr hia hib hic hie hih hii hik him hir hka hkb hkh hki hkk hkm hkr hma hmb hmc hme hmh hmi hmk hmm hmr hr- hra hrb hrc hre hrh hri hrk hrm hrr ia- iaa iab iac iae iah iai iam iar iba ibb ibc ibe ibh ibi ibk ibm ibr ica icb icc ice ich ici ick icm icr ie- iea iec iee iei iek iem ier iha ihb ihc ihe ihh ihi ihk ihm ihr iia iib iic iie iih iii iim iir ika ikb ikc ike iki ikk ikr im- ima imb imc ime imh imi imm ir- ira irb irc ire iri irk irm irr ka- kaa kab kac kae kah kai kak kam kar kba kbb kbc kbe kbh kbi kbk kbm kbr kca kcb kcc kce kch kci kck kcm kcr ke- kea keb kec kee keh kei kek kem ker kha khe khh khi khk khm khr kia kib kic kie kih kii kik kim kir kkb kkc kke kkh kki kkk kkm kkr kma kmb kmc kme kmh kmi kmk kmm kra krc kri krk krr m-r maa mab mac mae mah mai mak mam mar mba mbb mbc mbe mbh mbi mbk mbm mbr mc- mca mcb mcc mce mch mci mck mcm mcr mea meb mec mee meh mei mek mem mer mha mhc mhh mhi mhk mhm mhr mi- mia mib mic mie mih mii mik mim mir mka mkb mkc mke mkh mkk mkm mkr mma mmb mmc mme mmh mmi mmk mmm mmr mra mrb mrc mre mrh mri mrk mrm mrr ra- raa rab rac rae rah rai rak ram rar rba rbb rbc rbe rbh rbi rbk rbm rbr rca rcb rcc rce rch rci rcm rcr re- rea reb rec ree reh rei rek rem rer rh- rha rhb rhc rhe rhh rhi rhm rhr ria rib ric rie rih rii rik rim rir rkb rkc rke rkk rkm rma rmb rmc rme rmh rmi rmm rmr rra rrb rrc rrh rri rrk rrm rrr