hsb hsc hsd hse hsh hsi hsk hsp hsr hss hst hta htb htc htd hte hth hti htk hto htp htr hts htt i-d ia- iaa iab iac iad iae iah iai iao iap iar ias iat iba ibb ibc ibd ibe ibh ibi ibk ibo ibp ibr ibs ibt ica icb icc icd ice ich ici ick ico icp icr ics ict ida idb idc idd ide idh idi idk ido idp idr ids idt ie- iea iec ied iee iei iek iep ier ies iet iha ihb ihc ihd ihe ihh ihi ihk iho ihp ihr ihs iht iia iib iic iid iie iih iii iio iip iir iis iit ika ikb ikc ike iki ikk iko ikr iks ikt io- ioa iob ioc iod ioe ioh ioi ioo iop ior ios iot ipa ipb ipc ipd ipe ipi ipo ipp ipr ips ipt ir- ira irb irc ird ire iri irk iro irp irr irs irt is- isa isb isc isd ise ish isi isk iso isp isr iss ist ita itb itc itd ite ith iti itk ito itp its itt k-t ka- kaa kab kac kad kae kah kai kak kao kap kar kas kat kba kbb kbc kbd kbe kbh kbi kbk kbo kbp kbr kbs kca kcb kcc kcd kce kch kci kck kcp kcr kcs kct kda kdb kdc kde kdh kdk kdo kdp kdr kds kdt ke- kea keb kec ked kee keh kei kek keo kep ker kes ket kha khe khh khi khk kho khr khs kia kib kic kid kie kih kii kik kio kip kir kis kit kkb kkc kke kkh kki kkk kkp kkr kks kkt koa kob koc kod koe koh koi kok koo kop kor kos kot kpa kpc kpd kpe kph kpi kpk kpo kpp kpr kps kpt kra krc krd kri krk kro krp krr krs krt ksa ksb ksc ksd kse ksh ksi ksk kso ksp ksr kss kst kta ktb ktc kte kth ktk kto ktp ktr kts ktt o-i oaa oab oac oad oae oah oai oak oao oap oar oas oat ob- oba obb obc obd obe obh obi obk obo obp obr obs obt oc- oca ocb occ ocd och oci ock oco ocp ocr ocs oct oda odb odc odd ode odh odi odo odp odr ods odt oea oeb oec oed oee oeh oei oeo oep oer oes oet oha ohc ohd ohe ohh ohi oho ohp ohr ohs oht oia oib oic oid oie oii oik oio oip oir ois oit oka okb okc okd oke oki okk oko okp okr oks oo- ooa oob ooc ood ooh ooi ook ooo oop oor oos oot op- opa opb opc opd ope oph opi opk opo opp opr ops opt or- ora orb orc ord ore orh ori ork oro orp orr ors ort os- osa osb osc osd ose osh osi osk oso osp osr oss ost ot- ota otb otc otd ote oth oti otk oto otp otr ots ott p-p paa pab pac pad pae pah pai pak pao pap par pas pat pba pbb pbc pbd pbe pbi pbk pbo pbp pbr pbs pbt pca pcb pcc pcd pce pch pci pck pco pcp pcr pcs pct pda pdb pdc pdd pde pdh pdi pdk pdo pdp pdr pds pdt pea peb pec ped pee peh pei pek peo pep per pes pet pha phb phc phd phe phi phk pho php phr phs pht pia pib pic pid pie pih pii pik pio pip pir pis pit pka pkb pkc pkd pke pki pko pkp pkr pks pkt poa pob poc pod poe poh poi pok poo pop por pos pot ppa ppb ppc ppd ppe pph ppi ppk ppo ppp ppr pps ppt pra prb prc prd pre prh pri prk pro prp prr prs prt ps- psa psb psc psd pse psh psi psk pso psp psr pss pst pt- pta ptb ptc ptd pte pth pti ptk pto ptp ptr pts ptt ra- raa rab rac rad rae rah rai rak rao rap rar ras rat rba rbb rbc rbd rbe rbh rbi rbk rbo rbp rbr rbs rbt rca rcb rcc rcd rce rch rci rco rcp rcr rcs rct rda rdb rdc rdd rde rdh rdi rdo rdp rdr rds rdt re- rea reb rec red ree reh rei rek reo rep rer res ret rh- rha rhb rhc rhd rhe rhh rhi rho rhp rhr rhs rht ria rib ric rid rie rih rii rik rio rip rir ris rit rkb rkc rke rkk rko rkp rks rkt roa rob roc rod roe roh roi rok roo rop ror ros rot rpa rpb rpc rpd rpe rph rpi rpk rpo rpp rpr rps rpt rra rrb rrc rrd rrh rri rrk rrp rrr rrs rrt rsa rsb rsc rsd rse rsh rsi rsk rso rsp rsr rss rst rta rtb rtc rtd rte rti rtk rto rtp rtr rts rtt saa sab sac sad sae sah sai sak sao sap sar sas sat sba sbb sbc sbd sbe sbh sbi sbk sbo sbp sbr sbs sbt sca scb scc scd sce sch sci sck sco scp scr scs sct sda sdb sdc sdd sde sdh sdi sdk sdo sdp sdr sds sdt se- sea seb sec sed see seh sei sek seo sep ser ses set sh- sha shb shc shd she shh shi shk sho shp shr shs sht sia sib sic sid sie sih sii sik sio sip sir sis sit sk- ska skb skc skd ske skh ski skk sko skp skr sks skt soa sob soc sod soe soh soi sok soo sop sor sos sot spa spb spc spd spe sph spi spk spo spp spr sps spt sr- sra srb src srd sre srh sri srk sro srp srr srs srt ss- ssa ssb ssc ssd sse ssh ssi ssk sso ssp ssr sss sst sta stb