-ic a-a a-c a-i aaa aac aad aai aak aao aap aar aas ac- aca acc acd aci ack aco acp acr acs ad- ada adc add adi adk ado adp adr ads ai- aia aic aid aii aik aio aip air ais aka akc akd aki akk ako akp akr aks aoa aoc aod aoi aok aoo aop aor aos ap- apa apc apd api apk apo app apr aps ar- ara arc ard ari ark aro arp arr ars as- asa asc asd asi ask aso asp asr ass c-- caa cac cad cai cak cao cap car cas cca ccc ccd cci cck cco ccp ccr ccs cda cdc cdd cdi cdk cdo cdp cdr cds ci- cia cic cid cii cik cio cip cir cis cka ckc ckd cki cko cks co- coa coc cod coi cok coo cop cor cos cpa cpc cpd cpi cpk cpo cpp cpr cps cra crc crd cri crk cro crp crr crs csa csc csd csi csk cso csp csr css daa dac dad dai dak dao dap dar das dca dcc dcd dci dck dco dcp dcr dcs dda ddc ddd ddi ddk ddo ddp ddr dds di- dia dic did dii dik dio dip dir dis dka dkc dki dkk dko dkp dkr dks doa doc dod doi dok doo dop dor dos dpa dpc dpd dpi dpk dpo dpp dpr dps dra drc drd dri drk dro drp drr drs dsa dsc dsd dsi dsk dso dsp dsr dss i-d ia- iaa iac iad iai iao iap iar ias ica icc icd ici ick ico icp icr ics ida idc idd idi idk ido idp idr ids iia iic iid iii iio iip iir iis ika ikc iki ikk iko ikr iks io- ioa ioc iod ioi ioo iop ior ios ipa ipc ipd ipi ipo ipp ipr ips ir- ira irc ird iri irk iro irp irr irs is- isa isc isd isi isk iso isp isr iss ka- kaa kac kad kai kak kao kap kar kas kca kcc kcd kci kck kcp kcr kcs kda kdc kdk kdo kdp kdr kds kia kic kid kii kik kio kip kir kis kkc kki kkk kkp kkr kks koa koc kod koi kok koo kop kor kos kpa kpc kpd kpi kpk kpo kpp kpr kps kra krc krd kri krk kro krp krr krs ksa ksc ksd ksi ksk kso ksp ksr kss o-i oaa oac oad oai oak oao oap oar oas oc- oca occ ocd oci ock oco ocp ocr ocs oda odc odd odi odo odp odr ods oia oic oid oii oik oio oip oir ois oka okc okd oki okk oko okp okr oks oo- ooa ooc ood ooi ook ooo oop oor oos op- opa opc opd opi opk opo opp opr ops or- ora orc ord ori ork oro orp orr ors os- osa osc osd osi osk oso osp osr oss p-p paa pac pad pai pak pao pap par pas pca pcc pcd pci pck pco pcp pcr pcs pda pdc pdd pdi pdk pdo pdp pdr pds pia pic pid pii pik pio pip pir pis pka pkc pkd pki pko pkp pkr pks poa poc pod poi pok poo pop por pos ppa ppc ppd ppi ppk ppo ppp ppr pps pra prc prd pri prk pro prp prr prs ps- psa psc psd psi psk pso psp psr pss ra- raa rac rad rai rak rao rap rar ras rca rcc rcd rci rco rcp rcr rcs rda rdc rdd rdi rdo rdp rdr rds ria ric rid rii rik rio rip rir ris rkc rkk rko rkp rks roa roc rod roi rok roo rop ror ros rpa rpc rpd rpi rpk rpo rpp rpr rps rra rrc rrd rri rrk rrp rrr rrs rsa rsc rsd rsi rsk rso rsp rsr rss saa sac sad sai sak sao sap sar sas sca scc scd sci sck sco scp scr scs sda sdc sdd sdi sdk sdo sdp sdr sds sia sic sid sii sik sio sip sir sis sk- ska skc skd ski skk sko skp skr sks soa soc sod soi sok soo sop sor sos spa spc spd spi spk spo spp spr sps sr- sra src srd sri srk sro srp srr srs ss- ssa ssc ssd ssi ssk sso ssp ssr sss

a-ak a-do a-ii a-ok aaaa aaac aaad aaai aaap aaar aaas aaca aacc aacd aaci aack aaco aacp aacr aacs aada aadc aadi aads aaic aaii aais aaka aaoo aapa aapc aapi aapo aaps aara aarc aard aari aaro aarp aars aasa aasc aasd aasi aass acaa acac acad acai acap acar acas acca accc accd acci acco accp accs acda acdc acdi acdp acds aci- acia acic acid acip acir acis ackd acks acoa acod acop acor acos acpa acpd acpi acpr acps acr- acra acrc acri acro acrr acrs acsa acsc acsd acsi acss adaa adac adad adai adak adao adap adar adas adcc adci adcs adda addc addd addi addo addr adds adia adic adik adio adip adir adis adki adoc adod adok adoo ador ados adp- adps adra adro adrs adsa adsi adso adsr adss aiai aias aica aicc aicd aicp aicr aics aida aidc aidi aidr aids aiia aiic aiid aiir aika aiki aiko aiks aioc aioi aipa aipi aips aira aird airi airo airp airs aisa aisd aisi aisk aiso aisr akaa akai akao akap akar akas akca akia akid akik akio akir akis akka akki akko akok akos akpo akr- akra aksa aksi aoca aocs aoki aokp aoks aopo aora aors aosd aosp aoss apac apai apak apao apap apar apas apca apcc apcd apco apcr apcs apda apdd apds api- apia apic apid apio apip apis apo- apoc apod apoo apop apor apos appa appc appd appr apps apra aprc apri apro aprs apsa apsi apso apss arac arad arai arak arap arar aras arc- arca