-ic a-a a-b a-c a-i aaa aab aac aad aai aao aap aar ab- aba abb abc abd abi abo abp abr ac- aca acb acc acd aci aco acp acr ad- ada adb adc add adi ado adp adr ai- aia aib aic aid aii aio aip air aoa aob aoc aod aoi aoo aop aor ap- apa apb apc apd api apo app apr ar- ara arb arc ard ari aro arp arr b-p baa bab bac bad bai bao bap bar bba bbb bbc bbd bbi bbo bbp bbr bca bcb bcc bcd bci bco bcp bcr bda bdb bdc bdd bdi bdo bdp bdr bi- bia bib bic bid bii bio bip bir boa bob boc bod boi boo bop bor bpa bpb bpc bpd bpi bpo bpp bpr bra brb brd bri bro brp brr c-- caa cab cac cad cai cao cap car cba cbb cbc cbd cbi cbo cbp cbr cca ccb ccc ccd cci cco ccp ccr cda cdb cdc cdd cdi cdo cdp cdr ci- cia cib cic cid cii cio cip cir co- coa cob coc cod coi coo cop cor cpa cpb cpc cpd cpi cpo cpp cpr cra crb crc crd cri cro crp crr daa dab dac dad dai dao dap dar dba dbb dbc dbd dbi dbo dbp dbr dca dcb dcc dcd dci dco dcp dcr dda ddb ddc ddd ddi ddo ddp ddr di- dia dib dic did dii dio dip dir doa dob doc dod doi doo dop dor dpa dpb dpc dpd dpi dpo dpp dpr dra drb drc drd dri dro drp drr i-d ia- iaa iab iac iad iai iao iap iar iba ibb ibc ibd ibi ibo ibp ibr ica icb icc icd ici ico icp icr ida idb idc idd idi ido idp idr iia iib iic iid iii iio iip iir io- ioa iob ioc iod ioi ioo iop ior ipa ipb ipc ipd ipi ipo ipp ipr ir- ira irb irc ird iri iro irp irr o-i oaa oab oac oad oai oao oap oar ob- oba obb obc obd obi obo obp obr oc- oca ocb occ ocd oci oco ocp ocr oda odb odc odd odi odo odp odr oia oib oic oid oii oio oip oir oo- ooa oob ooc ood ooi ooo oop oor op- opa opb opc opd opi opo opp opr or- ora orb orc ord ori oro orp orr p-p paa pab pac pad pai pao pap par pba pbb pbc pbd pbi pbo pbp pbr pca pcb pcc pcd pci pco pcp pcr pda pdb pdc pdd pdi pdo pdp pdr pia pib pic pid pii pio pip pir poa pob poc pod poi poo pop por ppa ppb ppc ppd ppi ppo ppp ppr pra prb prc prd pri pro prp prr ra- raa rab rac rad rai rao rap rar rba rbb rbc rbd rbi rbo rbp rbr rca rcb rcc rcd rci rco rcp rcr rda rdb rdc rdd rdi rdo rdp rdr ria rib ric rid rii rio rip rir roa rob roc rod roi roo rop ror rpa rpb rpc rpd rpi rpo rpp rpr rra rrb rrc rrd rri rrp rrr

a-do a-ii aaaa aaab aaac aaad aaai aaap aaar aaba aabb aabc aabd aabi aabp aaca aacb aacc aacd aaci aaco aacp aacr aada aadc aadi aaib aaic aaii aaoo aapa aapc aapi aapo aara aarc aard aari aaro aarp abaa abab abac abad abai abap abar abb- abba abbb abbi abbo abbr abca abcb abcc abcd abci abcp abcr abda abdi abdo abia abib abic abid abir aboa abob abod aboo abor abpa abpc abpd abpi abpp abpr abra abrc abri abro acaa acab acac acad acai acap acar acba acca accc accd acci acco accp acda acdb acdc acdi acdp aci- acia acic acid acip acir acoa acod acop acor acpa acpd acpi acpr acr- acra acrc acri acro acrr adaa adab adac adad adai adao adap adar adba adbc adbi adcc adci adda addc addd addi addo addr adia adib adic adio adip adir adob adoc adod adoo ador adp- adra adro aiai aiba aibo aica aicc aicd aicp aicr aida aidb aidc aidi aidr aiia aiib aiic aiid aiir aioc aioi aipa aipi aira aird airi airo airp aoba aoca aopo aora aorb apac apai apao apap apar apba apbr apca apcb apcc apcd apco apcr apda apdd api- apia apic apid apio apip apo- apoc apod apoo apop apor appa appc appd appr apra aprc apri apro arab arac arad arai arap arar arba arbi arc- arca arci arco arda ardc ardi ardo aria arib arid arii ario arip aroa arob arod aroi aroo aror arpa arpi arr- arra arrc arri arro arrr ba-i baaa baad baar baba babb babi babo babr bac- baca bacc baci baco bada badb badd badi bado badr baia baib baic baid baio bair bapa bapc bapi bapp bar- bara barb barc bard bari baro barr bbad bbbb bbci bbdd bbdo bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bcci bcda bcia bcor bcpp bcra bd-r bdbc bddc bdii bdpc biad biao biap biar biba bibb bibi bibo bica bicc bici bico bida bidi bido bidr bio- bioc bioi bipa bipp bira birb bird biri biro birr boab boac boad boai boar boba bobb bobi bobo boca boco boda bodb bodi bodo boi- boid boii boob booc bood boop boor bopa bopp bor- bora bord bori boro borr bpai bpcp bpda bprc bprd brab brac brad brai brao brca brcb brda brdo bria bric brid brio broa brob broc brod broo bror brrr c-bo c-cd caaa caab caac caap caba cabi cabo cac- caca cacc caci caco cacr cada cadc cadd cadi cado cadr caia caib caic caid caio caip cair caod caoi caor capa capb capc capd capi capo capp cara carb carc card cari caro carp carr cbac cbar cbbc cbca cbcc cbcp cbcr cbdb cbdc cbdi cbdo