-er -ic a-a a-b a-c a-i aaa aab aac aae aag aai aap aar ab- aba abb abc abe abg abi abp abr ac- aca acb acc ace acg aci acp acr aea aeb aec aee aeg aei aep aer ag- aga agb agc age agg agi agp agr ai- aia aib aic aie aig aii aip air ap- apa apb apc ape apg api app apr ar- ara arb arc are arg ari arp arr b-p baa bab bac bae bag bai bap bar bba bbb bbc bbe bbg bbi bbp bbr bca bcb bcc bce bcg bci bcp bcr be- bea beb bec bee beg bei bep ber bga bgb bgc bge bgg bgi bgp bgr bi- bia bib bic bie big bii bip bir bpa bpb bpc bpe bpg bpi bpp bpr bra brb bre brg bri brp brr c-- caa cab cac cae cag cai cap car cba cbb cbc cbe cbg cbi cbp cbr cca ccb ccc cce ccg cci ccp ccr ce- cea ceb cec cee ceg cei cep cer cga cgb cgc cge cgg cgi cgp cgr ci- cia cib cic cie cig cii cip cir cpa cpb cpc cpe cpg cpi cpp cpr cra crb crc cre crg cri crp crr eaa eab eac eae eag eai eap ear eba ebb ebc ebe ebg ebi ebp ebr ec- eca ecb ecc ece ecg eci ecr eea eeb eec eee eeg eep eer ega egb egc ege egg egi egp egr eia eib eic eie eig eii eip eir ep- epa epb epc epe epg epi epp epr era erb erc ere erg eri erp err g-p gaa gab gac gae gag gai gap gar gba gbc gbe gbg gbi gbp gbr gca gcb gcc gce gcg gci gcp gcr ge- gea geb gec gee geg gei gep ger gga ggb ggc ggg ggi ggp ggr gia gib gic gie gig gii gip gir gpa gpb gpc gpe gpg gpi gpp gpr gra grb grc gre grg gri grp grr ia- iaa iab iac iae iag iai iap iar iba ibb ibc ibe ibg ibi ibp ibr ica icb icc ice icg ici icp icr ie- iea iec iee ieg iei iep ier iga igb igc ige igg igi igp igr iia iib iic iie iii iip iir ipa ipb ipc ipe ipg ipi ipp ipr ir- ira irb irc ire irg iri irp irr p-p paa pab pac pae pag pai pap par pba pbb pbc pbe pbg pbi pbp pbr pca pcb pcc pce pcg pci pcp pcr pea peb pec pee peg pei pep per pga pgb pgc pge pgg pgi pgp pgr pia pib pic pie pig pii pip pir ppa ppb ppc ppe ppg ppi ppp ppr pra prb prc pre prg pri prp prr ra- raa rab rac rae rag rai rap rar rba rbb rbc rbe rbg rbi rbp rbr rca rcb rcc rce rcg rci rcp rcr re- rea reb rec ree reg rei rep rer rga rgb rgc rge rgg rgi rgp rgr ria rib ric rie rig rii rip rir rpa rpb rpc rpe rpg rpi rpp rpr rra rrb rrc rrg rri rrp rrr

a-be a-ii aaaa aaab aaac aaae aaai aaap aaar aaba aabb aabc aabi aabp aaca aacb aacc aace aaci aacp aacr aaea aaec aaep aage aaib aaic aaii aapa aapc aapi aara aarc aare aari aarp abaa abab abac abae abag abai abap abar abb- abba abbb abbe abbi abbr abca abcb abcc abci abcp abcr abec abee aber abia abib abic abie abig abir abpa abpc abpi abpp abpr abra abrc abri acaa acab acac acae acag acai acap acar acba acca accc acce acci accp ace- acea acec acer acga acgi acgr aci- acia acic acie acip acir acpa acpe acpi acpr acr- acra acrc acre acri acrr aeac aeap aebi aecb aeci aeer aega aer- aera aerc aeri agac agag agai agap agar agba agca agcc agce agea agee agei agep ager agga agge aggi agia agib agic agie agig agii agip agir agra agre agri agrp aiai aiba aica aicc aice aicp aicr aiea aiee aiga aiia aiib aiic aiir aipa aipe aipi aira aire airi airp apac apai apap apar apba apbg apbr apca apcb apcc apcr apea apec apeg apep aper apga api- apia apic apie apig apip appa appc appr apra aprc apre apri arab arac arae arag arai arap arar arba arbe arbi arc- arca arce arci area arec aree areg arei arep arga argb arge argi aria arib arie arig arii arip arpa arpe arpi arr- arra arrc arre arrg arri arrr ba-i baaa baar baba babb babe babi babr bac- baca bacc bace baci baer baga bage bagg bagi baia baib baic baie baig bair bapa bapc bape bapi bapp bar- bara barb barc bare barg bari barr bbbb bbci bbeb bbga bbpr bbrc bbrg bcaa bcap bcar bcbc bcbg bcbp bcca bccc bcci bcec bcer bcia bcie bcpp bcra beag beap bear beba bebb bebe bebi beca beci beeb beeg beep beer bega begg begi beia beic beir bera berc bere berg beri berr bgca bgia biap biar biba bibb bibe bibi bica bicc bice bicg bici bieb bier biga bigb bigc bige bigg bipa bipp bira birb bire birg biri birr bpai bpcp bpea bprc brab brac brae brag brai brca brcb brce brea breb brec bree breg brei brep brer bria bric brie brig brrr caaa caab caac caap caba cabe cabg cabi cac- caca cacc cace caci cacr caec caei caer caga cage cagg cagi cagr caia caib caic caip cair capa capb capc cape capi capp cara carb carc care cari carp carr cbac cbar cbbc cbca cbcc cbce cbcp cbcr cbea cbec cbee cber cbga cbgb cbia cbir cbpc cbpp cbre ccaa ccab ccac ccag ccai ccap ccar ccba ccbc ccca cccb cccc ccci cccp ccee ccga ccgc ccic ccii ccip ccir ccpa ccpe ccpp ccpr ccra ccrc ccre ccrg ccri ccrp