-er -ic a-a a-b a-c a-i aaa aab aac aae aah aai aar aav ab- aba abb abc abe abh abi abr abv ac- aca acb acc ace ach aci acr acv aea aeb aec aee aeh aei aer aev aha ahb ahc ahe ahh ahi ahr ahv ai- aia aib aic aie aih aii air aiv ar- ara arb arc are arh ari arr arv av- ava avb avc ave avh avi avr baa bab bac bae bah bai bar bav bba bbb bbc bbe bbh bbi bbr bca bcb bcc bce bch bci bcr bcv be- bea beb bec bee beh bei ber bev bha bhb bhc bhe bhh bhi bhr bhv bi- bia bib bic bie bih bii bir biv bra brb bre brh bri brr brv bva bvb bvc bve bvh bvi bvr bvv c-- caa cab cac cae cah cai car cav cba cbb cbc cbe cbh cbi cbr cbv cca ccb ccc cce cch cci ccr ccv ce- cea ceb cec cee ceh cei cer cev ch- cha chb chc che chh chi chr chv ci- cia cib cic cie cih cii cir civ cra crb crc cre crh cri crr crv cva cvb cvc cve cvh cvi cvr cvv eaa eab eac eae eah eai ear eav eba ebb ebc ebe ebh ebi ebr ebv ec- eca ecb ecc ece ech eci ecr ecv eea eeb eec eee eer eev eha ehb ehc ehe ehh ehi ehr ehv eia eib eic eie eii eir eiv era erb erc ere erh eri err erv eva evb evc eve evh evi evr evv h-i haa hab hac hae hah hai har hav hba hbb hbc hbe hbh hbi hbr hbv hca hcb hcc hce hch hci hcr hcv he- hea heb hec hee heh hei her hev hha hhb hhc hhe hhh hhi hhr hhv hia hib hic hie hih hii hir hiv hr- hra hrb hrc hre hrh hri hrr hrv hv- hva hvb hvc hvr hvv i-v ia- iaa iab iac iae iah iai iar iav iba ibb ibc ibe ibh ibi ibr ibv ica icb icc ice ich ici icr icv ie- iea iec iee iei ier iev iha ihb ihc ihe ihh ihi ihr ihv iia iib iic iie iih iii iir ir- ira irb irc ire iri irr irv iva ivb ivc ive ivi ivr ivv ra- raa rab rac rae rah rai rar rav rba rbb rbc rbe rbh rbi rbr rca rcb rcc rce rch rci rcr rcv re- rea reb rec ree reh rei rer rev rh- rha rhb rhc rhe rhh rhi rhr rhv ria rib ric rie rih rii rir riv rra rrb rrc rrh rri rrr rva rvb rvc rve rvh rvi rvr rvv v-a v-e vaa vab vac vae vah vai var vav vba vbc vbh vbi vbr vbv vca vcc vce vch vci vcr vea veb vec vee veh vei ver vh- vha vhb vhc vhe vhi vi- via vib vic vie vii vir viv vra vrb vrc vre vrh vri vrr vva vvb vvc vvi vvr vvv